LIST OF UNITED STATES PATENTS

List of United States patents granted to Thomas A. Edison, arranged according to dates of execution of applications for such patents. This list shows the inventions as Mr. Edison has worked upon them from year to year.

90,646 Electrographic Vote Recorder Oct 13, 1868

91,527 Printing Telegraph (reissued October 25, 1870, numbered 4166, and August 5, 1873, numbered 5519) Jan 25, 1869

96,567 Apparatus for Printing Telegraph (reissued February 1, 1870, numbered 3820) Aug 17, 1869

96,681 Electrical Switch for Telegraph Apparatus Aug 27, 1869

102,320 Printing Telegraph--Pope and Edison (reissued April 17, 1877, numbered 7621, and December 9, 1884, numbered 10,542) Sept 16, 1869

103,924 Printing Telegraphs--Pope and Edison (reissued August 5, 1873)

103,035 Electromotor Escapement Feb 5, 1870

128,608 Printing Telegraph Instruments May 4, 1870

114,656 Telegraph Transmitting Instruments June 22, 1870

114,658 Electro Magnets for Telegraph Instruments June 22, 1870

114,657 Relay Magnets for Telegraph Instruments Sept 6, 1870

111,112 Electric Motor Governors June 29, 1870

113,033 Printing Telegraph Apparatus Nov 17, 1870

113,034 Printing Telegraph Apparatus Jan 10, 1871

123,005 Telegraph Apparatus July 26, 1871

123,006 Printing Telegraph July 26, 1871

123,984 Telegraph Apparatus July 26, 1871

124,800 Telegraphic Recording Instruments Aug 12, 1871

121,601 Machinery for Perforating Paper for Telegraph Purposes Aug 16, 1871

126,535 Printing Telegraphs Nov 13, 1871

133,841 Typewriting Machine Nov 13, 1871

126,532 Printing Telegraphs Jan 3 1872

126,531 Printing Telegraphs Jan 17, 1872

126,534 Printing Telegraphs Jan 17, 1872

126,528 Type Wheels for Printing Telegraphs Jan 23, 1872

126,529 Type Wheels for Printing Telegraphs Jan 23, 1872

126,530 Printing Telegraphs Feb 14, 1872

126,533 Printing Telegraphs Feb 14, 1872

132,456 Apparatus for Perforating Paper for Telegraphic Use March 15, 1872

132,455 Improvement in Paper for Chemical Telegraphs April 10, 1872

133,019 Electrical Printing Machine April 18, 1872

128,131 Printing Telegraphs April 26, 1872

128,604 Printing Telegraphs April 26, 1872

128,605 Printing Telegraphs April 26, 1872

128,606 Printing Telegraphs April 26, 1872

128,607 Printing Telegraphs April 26, 1872

131,334 Rheotomes or Circuit Directors May 6, 1872

134,867 Automatic Telegraph Instruments May 8, 1872

134,868 Electro Magnetic Adjusters May 8, 1872

130,795 Electro Magnets May 9, 1872

131,342 Printing Telegraphs May 9, 1872

131,341 Printing Telegraphs May 28, 1872

131,337 Printing Telegraphs June 10, 1872

131,340 Printing Telegraphs June 10, 1872

131,343 Transmitters and Circuits for Printing Telegraph June 10, 1872

131,335 Printing Telegraphs June 15, 1872

131,336 Printing Telegraphs June 15, 1872

131,338 Printing Telegraphs June 29, 1872

131,339 Printing Telegraphs June 29, 1872

131,344 Unison Stops for Printing Telegraphs June 29, 1872

134,866 Printing and Telegraph Instruments Oct 16, 1872

138,869 Printing Telegraphs Oct 16, 1872

142,999 Galvanic Batteries Oct 31, 1872

141,772 Automatic or Chemical Telegraphs Nov 5, 1872

135,531 Circuits for Chemical Telegraphs Nov 9, 1872

146,812 Telegraph Signal Boxes Nov 26, 1872

141,773 Circuits for Automatic Telegraphs Dec 12, 1872

141,776 Circuits for Automatic Telegraphs Dec 12, 1872

150,848 Chemical or Automatic Telegraphs Dec 12, 1872

139,128 Printing Telegraphs Jan 21, 1873

139,129 Printing Telegraphs Feb 13, 1873

140,487 Printing Telegraphs Feb 13, 1873

140,489 Printing Telegraphs Feb 13, 1873

138,870 Printing Telegraphs March 7, 1873

141,774 Chemical Telegraphs March 7, 1873

141,775 Perforator for Automatic Telegraphs March 7, 1873

141,777 Relay Magnets March 7, 1873

142,688 Electric Regulators for Transmitting Instruments March 7, 1873

156,843 Duplex Chemical Telegraphs March 7, 1873

147,312 Perforators for Automatic Telegraphy March 24, 1873

147,314 Circuits for Chemical Telegraphs March 24, 1873

150,847 Receiving Instruments for Chemical Telegraphs March 24, 1873

140,488 Printing Telegraphs April 23, 1873

147,311 Electric Telegraphs April 23, 1873

147,313 Chemical Telegraphs April 23, 1873

147,917 Duplex Telegraphs April 23, 1873

150,846 Telegraph Relays April 23, 1873

160,405 Adjustable Electro Magnets for Relays, etc April 23, 1873

162,633 Duplex Telegraphs April 22, 1873

151,209 Automatic Telegraphy and Perforators Therefor Aug 25, 1873

160,402 Solutions for Chemical Telegraph PaperSept 29, 1873

160,404 Solutions for Chemical Telegraph PaperSept 29, 1873

160,580 Solutions for Chemical Telegraph PaperOct 14, 1873

160,403 Solutions for Chemical Telegraph PaperOct 29, 1873

154,788 District Telegraph Signal Box April 2, 1874

168,004 Printing Telegraph May 22, 1874

166,859 Chemical Telegraphy June 1, 1874

166,860 Chemical Telegraphy June 1, 1874

166,861 Chemical Telegraphy June 1, 1874

158,787 Telegraph Apparatus Aug 7, 1874

172,305 Automatic Roman Character Telegraph Aug 7, 1874

173,718 Automatic Telegraphy Aug 7, 1874

178,221 Duplex Telegraphs Aug 19, 1874

178,222 Duplex Telegraphs Aug 19, 1874

178,223 Duplex Telegraphs Aug 19, 1874

180,858 Duplex Telegraphs Aug 19, 1874

207,723 Duplex Telegraphs Aug 19, 1874

480,567 Duplex Telegraphs Aug 19, 1874

207,724 Duplex Telegraphs Dec 14, 1874

168,242 Transmitter and Receiver for Automatic Telegraph Jan 18, 1875

168,243 Automatic Telegraphs Jan 18, 1875

168,385 Duplex Telegraphs Jan 18, 1875

168,466 Solution for Chemical Telegraphs Jan 18, 1875

168,467 Recording Point for Chemical TelegraphJan 18, 1875

195,751 Automatic Telegraphs Jan 18 1875

195,752 Automatic Telegraphs Jan 19, 1875

171,273 Telegraph Apparatus Feb 11, 1875

169,972 Electric Signalling Instrument Feb 24, 1875

209,241 Quadruplex Telegraph Repeaters (reissued September 23, 1879, numbered 8906) Feb 24, 1875

180,857 Autographic Printing March 7, 1876

198,088 Telephonic Telegraphs April 3, 1876

198,089 Telephonic or Electro Harmonic Telegraphs April 3, 1876

182,996 Acoustic Telegraphs May 9, 1876

186,330 Acoustic Electric Telegraphs May 9, 1876

186,548 Telegraph Alarm and Signal Apparatus May 9, 1876

198,087 Telephonic Telegraphs May 9, 1876

185,507 Electro Harmonic Multiplex Telegraph Aug 16, 1876

200,993 Acoustic Telegraph Aug 26, 1876

235,142 Acoustic Telegraph Aug 26, 1876

200,032 Synchronous Movements for Electric Telegraphs Oct 30, 1876

200,994 Automatic Telegraph Perforator and Transmitter Oct 30, 1876

205,370 Pneumatic Stencil Pens Feb 3, 1877

213,554 Automatic Telegraphs Feb 3, 1877

196,747 Stencil Pens April 18, 1877

203,329 Perforating Pens April 18, 1877

474,230 Speaking Telegraph April 18, 1877

217,781 Sextuplex Telegraph May 8, 1877

230,621 Addressing Machine May 8, 1877

377,374 Telegraphy May 8, 1877

453,601 Sextuplex Telegraph May 31, 1877

452,913 Sextuplex Telegraph May 31, 1877

512,872 Sextuplex Telegraph May 31, 1877

474,231 Speaking Telegraph July 9, 1877

203,014 Speaking Telegraph July 16, 1877

208,299 Speaking Telegraph July 16, 1877

203,015 Speaking Telegraph Aug 16, 1877

420,594 Quadruplex Telegraph Aug 16, 1877

492,789 Speaking Telegraph Aug 31, 1877

203,013 Speaking Telegraph Dec 8, 1877

203 018 Telephone or Speaking Telegraph Dec 8, 1877

200 521 Phonograph or Speaking Machine Dec 15, 1877

203,019 Circuit for Acoustic or Telephonic Telegraphs Feb 13, 1878

201,760 Speaking Machines Feb 28, 1878

203,016 Speaking Machines Feb 28, 1878

203,017 Telephone Call Signals Feb 28, 1878

214,636 Electric Lights Oct 5, 1878

222,390 Carbon Telephones Nov 8, 1878

217,782 Duplex Telegraphs Nov 11, 1878

214,637 Thermal Regulator for Electric Lights Nov 14, 1878

210,767 Vocal Engines Aug 31, 1878

218,166 Magneto Electric Machines Dec 3, 1878

218,866 Electric Lighting Apparatus Dec 3, 1878

219,628 Electric Lights Dec 3, 1878

295,990 Typewriter Dec 4, 1878

218,167 Electric Lights Dec 31, 1878

224,329 Electric Lighting Apparatus Jan 23, 1879

227,229 Electric Lights Jan 28, 1879

227,227 Electric Lights Feb 6, 1879

224 665 Autographic Stencils for Printing March 10, 1879

227 679 Phonograph March 19, 1879

221,957 Telephone March 24, 1879

227,229 Electric Lights April 12, 1879

264,643 Magneto Electric Machines April 21, 1879

219,393 Dynamo Electric Machines July 7, 1879

231,704 Electro Chemical Receiving Telephone July 17, 1879

266,022 Telephone Aug 1, 1879

252,442 Telephone Aug 4, 1879

222,881 Magneto Electric Machines Sept 4, 1879

223,898 Electric Lamp Nov 1, 1879

230,255 Electric Lamps Jan 28, 1880

248,425 Apparatus for Producing High Vacuums Jan 28 1880

265,311 Electric Lamp and Holder for Same Jan 28 1880

369,280 System of Electrical Distribution Jan 28, 1880

227,226 Safety Conductor for Electric Lights March 10,1880

228,617 Brake for Electro Magnetic Motors March 10, 1880

251,545 Electric Meter March 10, 1880

525,888 Manufacture of Carbons for Electric Lamps March 10, 1880

264,649 Dynamo or Magneto Electric Machines March 11, 1880

228,329 Magnetic Ore Separator April 3, 1880

238,868 Manufacture of Carbons for Incandescent Electric Lamps April 25, 1880

237,732 Electric Light June 15, 1880

248,417 Manufacturing Carbons for Electric Lights June 15, 1880

298,679 Treating Carbons for Electric Lights June 15, 1880

248,430 Electro Magnetic Brake July 2, 1880

265,778 Electro Magnetic Railway Engine July 3, 1880

248,432 Magnetic Separator July 26, 1880

239,150 Electric Lamp July 27, 1880

239,372 Testing Electric Light Carbons--Edison and Batchelor July 28, 1880

251,540 Carbon Electric Lamps July 28, 1880

263,139 Manufacture of Carbons for Electric Lamps July 28, 1880

434,585 Telegraph Relay July 29, 1880

248 423 Carbonizer July 30, 1880

263 140 Dynamo Electric Machines July 30, 1880

248,434 Governor for Electric Engines July 31, 1880

239,147 System of Electric Lighting July 31, 1880

264,642 Electric Distribution and Translation System Aug 4, 1880

293,433 Insulation of Railroad Tracks used for Electric Circuits Aug 6, 1880

239,373 Electric Lamp Aug 7, 1880

239,745 Electric Lamp Aug 7, 1880

263,135 Electric Lamp Aug 7, 1880

251,546 Electric Lamp Aug 10, 1880

239,153 Electric Lamp Aug 11, 1880

351,855 Electric Lamp Aug 11, 1880

248,435 Utilizing Electricity as Motive Power Aug 12, 1880

263,132 Electro Magnetic Roller Aug 14, 1880

264,645 System of Conductors for the Distribution of Electricity Sept 1, 1880

240,678 Webermeter Sept 22, 1880

239,152 System of Electric Lighting Oct 14, 1880

239,148 Treating Carbons for Electric Lights Oct 15, 1880

238,098 Magneto Signalling Apparatus--Edison and Johnson Oct 21, 1880

242,900 Manufacturing Carbons for Electric Lamps Oct 21, 1880

251,556 Regulator for Magneto or Dynamo Electric Machines Oct 21, 1880

248,426 Apparatus for Treating Carbons for Electric Lamps Nov 5, 1880

239,151 Forming Enlarged Ends on Carbon Filaments Nov 19, 1880

12,631 Design Patent--Incandescent Electric Lamp Nov 23, 1880

239,149 Incandescing Electric Lamp Dec 3, 1880

242,896 Incandescent Electric Lamp Dec 3, 1880

242,897 Incandescent Electric Lamp Dec 3, 1880

248,565 Webermeter Dec 3, 1880

263,878 Electric Lamp Dec 3, 1880

239,154 Relay for Telegraphs Dec 11, 1880

242,898 Dynamo Electric Machine Dec 11, 1880

248,431 Preserving Fruit Dec 11, 1880

265,777 Treating Carbons for Electric Lamps Dec 11, 1880

239,374 Regulating the Generation of Electric Currents Dec 16, 1880

248,428 Manufacture of Incandescent Electric Lamps Dec 16, 1880

248,427 Apparatus for Treating Carbons for Electric Lamps Dec 21, 1880

248,437 Apparatus for Treating Carbons for Electric Lamps Dec 21, 1880

248,416 Manufacture of Carbons for Electric Lights Dec 30, 1880

242,899 Electric Lighting Jan 19, 1881

248,418 Electric Lamp Jan 19 1881

248,433 Vacuum Apparatus Jan 19 1881

251,548 Incandescent Electric Lamps Jan 19, 1881

406,824 Electric Meter Jan 19, 1881

248,422 System of Electric Lighting Jan 20, 1881

431,018 Dynamo or Magneto Electric Machine Feb 3, 1881

242,901 Electric Motor Feb 24, 1881

248,429 Electric Motor Feb 24, 1881

248,421 Current Regulator for Dynamo Electric Machine Feb 25, 1881

251,550 Magneto or Dynamo Electric Machines Feb 26, 1881

251,555 Regulator for Dynamo Electric Machines Feb 26, 1881

482,549 Means for Controlling Electric Generation March 2, 1881

248,420 Fixture and Attachment for Electric Lamps March 7, 1881

251,553 Electric Chandeliers March 7, 1881

251,554 Electric Lamp and Socket or Holder March 7, 1881

248,424 Fitting and Fixtures for Electric Lamps March 8, 1881

248,419 Electric Lamp March 30, 1881

251,542 System of Electric Light April 19, 1881

263,145 Making Incandescents April 19, 1881

266,447 Electric Incandescent Lamp April 21, 1881

251,552 Underground Conductors April 22, 1881

476,531 Electric Lighting System April 22, 1881

248,436 Depositing Cell for Plating the Connections of Electric Lamps May 17, 1881

251,539 Electric Lamp May 17, 1881

263,136 Regulator for Dynamo or Magneto Electric Machine May 17, 1881

251,557 Webermeter May 19, 1881

263,134 Regulator for Magneto Electric Machine May 19, 1881

251,541 Electro Magnetic Motor May 20, 1881

251,544 Manufacture of Electric Lamps May 20, 1881

251,549 Electric Lamp and the Manufacture thereof May 20, 1881

251,558 Webermeter May 20, 1881

341,644 Incandescent Electric Lamp May 20, 1881

251,551 System of Electric Lighting May 21, 1881

263,137 Electric Chandelier May 21, 1881

263,141 Straightening Carbons for Incandescent Lamps May 21, 1881

264,657 Incandescent Electric Lamps May 21, 1881

251,543 Electric Lamp May 24, 1881

251,538 Electric Light May 27, 1881

425,760 Measurement of Electricity in Distribution System May 3 1, 1881

251,547 Electrical Governor June 2, 1881

263,150 Magneto or Dynamo Electric Machines June 3, 1881

263,131 Magnetic Ore Separator June 4, 1881

435,687 Means for Charging and Using Secondary Batteries June 21, 1881

263,143 Magneto or Dynamo Electric Machines June 24, 1881

251,537 Dynamo Electric Machine June 25, 1881

263,147 Vacuum Apparatus July 1, 188 1

439,389 Electric Lighting System July 1, 1881

263,149 Commutator for Dynamo or Magneto Electric Machines July 22, 1881

479,184 Facsimile Telegraph--Edison and Kenny July 26, 1881

400,317 Ore Separator Aug 11, 1881

425,763 Commutator for Dynamo Electric Machines Aug 20, 1881

263,133 Dynamo or Magneto Electric Machine Aug 24, 1881

263,142 Electrical Distribution System Aug 24, 1881

264,647 Dynamo or Magneto Electric Machines Aug 24, 1881

404,902 Electrical Distribution System Aug 24, 1881

257,677 Telephone Sept 7, 1881

266,021 Telephone Sept 7, 1881

263,144 Mold for Carbonizing Incandescents Sept 19, 1881

265,774 Maintaining Temperatures in Webermeters Sept 21, 1881

264,648 Dynamo or Magneto Electric Machines Sept 23, 1881

265,776 Electric Lighting System Sept 27, 1881

524,136 Regulator for Dynamo Electrical Machines Sept 27, 1881

273,715 Malleableizing Iron Oct 4, 1881

281,352 Webermeter Oct 5, 1881

446,667 Locomotives for Electric Railways Oct 11, 1881

288,318 Regulator for Dynamo or Magneto Electric Machines Oct 17, 1881

263,148 Dynamo or Magneto Electric Machines Oct 25, 1881

264,646 Dynamo or Magneto Electric Machines Oct 25, 1881

251,559 Electrical Drop Light Oct 25, 1881

266,793 Electric Distribution System Oct 25, 1881

358,599 Incandescent Electric Lamp Oct 29, 1881

264,673 Regulator for Dynamo Electric Machine Nov 3, 1881

263,138 Electric Arc Light Nov 7, 1881

265,775 Electric Arc Light Nov 7 1881

297,580 Electric Arc Light Nov 7 1881

263,146 Dynamo Magneto Electric Machines Nov 22, 1881

266,588 Vacuum Apparatus Nov 25, 1881

251,536 Vacuum Pump Dec 5, 1881

264,650 Manufacturing Incandescent Electric Lamps Dec 5, 1881

264,660 Regulator for Dynamo Electric Machines Dec 5, 1881

379,770 Incandescent Electric Lamp Dec 5, 1881

293,434 Incandescent Electric Lamp Dec 5, 1881

439,391 Junction Box for Electric Wires Dec 5, 1881

454,558 Incandescent Electric Lamp Dec 5, 1881

264,653 Incandescent Electric Lamp Dec 13, 1881

358,600 Incandescing Electric Lamp Dec 13, 1881

264,652 Incandescent Electric Lamp Dec 15, 1881

278,419 Dynamo Electric Machines Dec 15, 1881

265,779 Regulator for Dynamo Electric Machines Jan 17, 1882

264,654 Incandescent Electric Lamps Feb 10, 1882

264,661 Regulator for Dynamo Electric Machines Feb 10, 1882

264,664 Regulator for Dynamo Electric Machines Feb 10, 1882

264,668 Regulator for Dynamo Electric Machines Feb 10, 1882

264,669 Regulator for Dynamo Electric Machines Feb 10, 1882

264,671 Regulator for Dynamo Electric Machines Feb 10, 1882

275,613 Incandescing Electric Lamp Feb 10, 1882

401,646 Incandescing Electric Lamp Feb 10, 1882

264,658 Regulator for Dynamo Electric Machines Feb 28, 1882

264,659 Regulator for Dynamo Electric Machines Feb 28, 1882

265,780 Regulator for Dynamo Electric Machines Feb 28, 1882

265,781 Regulator for Dynamo Electric Machines Feb 28, 1882

278,416 Manufacture of Incandescent Electric Lamps Feb 28, 1882

379,771 Regulator for Dynamo Electric Machines Feb 28, 1882

272,034 Telephone March 30, 1882

274,576 Transmitting Telephone March 30, 1882

274,577 Telephone March 30, 1882

264,662 Regulator for Dynamo Electric Machines May 1, 1882

264,663 Regulator for Dynamo Electric Machines May 1, 1882

264,665 Regulator for Dynamo Electric Machines May 1, 1882

264,666 Regulator for Dynamo Electric Machines May 1, 1882

268,205 Dynamo or Magneto Electric Machine May 1, 1882

273,488 Regulator for Dynamo Electric Machines May 1, 1882

273,492 Secondary Battery May 19, 1882

460,122 Process of and Apparatus for Generating Electricity May 19, 1882

466,460 Electrolytic Decomposition May 19, 1882

264,672 Regulator for Dynamo Electric Machines May 22, 1882

264,667 Regulator for Dynamo Electric Machines May 22, 1882

265,786 Apparatus for Electrical Transmission of Power May 22, 1882

273,828 System of Underground Conductors of Electric Distribution May 22, 1882

379,772 System of Electrical Distribution May 22, 1882

274,292 Secondary Battery June 3, 1882

281,353 Dynamo or Magneto Electric Machine June 3, 1882

287,523 Dynamo or Magneto Electric Machine June 3, 1882

365,509 Filament for Incandescent Electric Lamps June 3 1882

446,668 Electric Are Light June 3 1882

543,985 Incandescent Conductor for Electric Lamps June 3, 1882

264,651 Incandescent Electric Lamps June 9, 1882

264,655 Incandescing Electric Lamps June 9, 1882

264,670 Regulator for Dynamo Electric Machines June 9, 1882

273,489 Turn-Table for Electric Railway June 9, 1882

273,490 Electro Magnetic Railway System June 9, 1882

401,486 System of Electric Lighting June 12, 1882

476,527 System of Electric Lighting June 12, 1882

439,390 Electric Lighting System June 19, 1882

446,666 System of Electric Lighting June 19, 1882

464,822 System of Distributing Electricity June 19, 1882

304,082 Electrical Meter June 24, 1882

274,296 Manufacture of Incandescents July 5, 1882

264,656 Incandescent Electric Lamp July 7, 1882

265,782 Regulator for Dynamo Electric Machines July 7, 1882

265,783 Regulator for Dynamo Electric Machines July 7, 1882

265,784 Regulator for Dynamo Electric Machines July 7, 1882

265,785 Dynamo Electric Machine July 7, 1882

273,494 Electrical Railroad July 7, 1882

278,418 Translating Electric Currents from High to Low Tension July 7, 1882

293,435 Electrical Meter July 7, 1882

334,853 Mold for Carbonizing July 7, 1882

339,278 Electric Railway July 7, 1882

273,714 Magnetic Electric Signalling Apparatus Aug 5, 1882

282,287 Magnetic Electric Signalling Apparatus Aug 5, 1882

448,778 Electric Railway Aug 5, 1882

439,392 Electric Lighting System Aug 12, 1882

271,613 Manufacture of Incandescent Electric Lamps Aug 25, 1882

287,518 Manufacture of Incandescent Electric Lamps Aug 25, 1882

406,825 Electric Meter Aug 25, 1882

439,393 Carbonizing Chamber Aug 25, 1882

273,487 Regulator for Dynamo Electric MachinesSept 12, 1882

297,581 Incandescent Electric Lamp Sept 12, 1882

395,962 Manufacturing Electric Lamps Sept 16, 1882

287,525 Regulator for Systems of Electrical Distribution--Edison and C L Clarke Oct 4, 1882

365,465 Valve Gear Oct 5, 1882

317,631 Incandescent Electric Lamp Oct 7, 1882

307,029 Filament for Incandescent Lamp Oct 9, 1882

268,206 Incandescing Electric Lamp Oct 10, 1882

273,486 Incandescing Electric Lamp Oct 12, 1882

274,293 Electric Lamp Oct 14, 1882

275,612 Manufacture of Incandescent Electric Lamps Oct 14, 1882

430,932 Manufacture of Incandescent Electric Lamps Oct 14, 1882

271,616 Regulator for Dynamo Electric Machines Oct 16, 1882

543,986 Process for Treating Products Derived from Vegetable Fibres Oct 17, 1882

543,987 Filament for Incandescent Lamps Oct 17, 1882

271,614 Shafting Oct 19, 1882

271,615 Governor for Dynamo Electric Machines Oct 19, 1882

273,491 Regulator for Driving Engines of Electrical Generators Oct 19, 1882

273,493 Valve Gear for Electrical Generator Engines Oct 19, 1882

411,016 Manufacturing Carbon Filaments Oct 19, 1882

492,150 Coating Conductors for Incandescent Lamps Oct 19, 1882

273,485 Incandescent Electric Lamps Oct 26, 1882

317,632 Incandescent Electric Lamps Oct 26, 1882

317,633 Incandescent Electric Lamps Oct 26, 1882

287,520 Incandescing Conductor for Electric Lamps Nov 3, 1882

353,783 Incandescent Electric Lamp Nov 3, 1882

430,933 Filament for Incandescent Lamps Nov 3, 1882

274,294 Incandescent Electric Lamp Nov 13, 1882

281,350 Regulator for Dynamo Electric Machines Nov 13, 1882

274,295 Incandescent Electric Lamp Nov 14, 1882

276,233 Electrical Generator and Motor Nov 14, 1882

274,290 System of Electrical Distribution Nov 20, 1882

274,291 Mold for Carbonizer Nov 28, 1882

278,413 Regulator for Dynamo Electric MachinesNov 28, 1882

278,414 Regulator for Dynamo Electric Machines Nov 28, 1882

287,519 Manufacturing Incandescing Electric Lamps Nov 28, 1882

287,524 Regulator for Dynamo Electric Machines Nov 28, 1882

438,298 Manufacture of Incandescent Electric Lamps Nov 28, 1882

276,232 Operating and Regulating Electrical Generators Dec 20, 1882

278,415 Manufacture of Incandescent Electric Lamps Jan 13, 1883

278,417 Manufacture of Incandescent Electric Lamps Jan 13, 1883

281,349 Regulator for Dynamo Electric Machines Jan 13, 1883

283,985 System of Electrical Distribution Jan 13 1883

283,986 System of Electrical Distribution Jan 13 1883

459,835 Manufacture of Incandescent Electric Lamps Jan 13, 1883

13,940 Design Patent--Incandescing Electric Lamp Feb 13 1883

280,727 System of Electrical Distribution Feb 13 1883

395,123 Circuit Controller for Dynamo Machine Feb 13, 1883

287,521 Dynamo or Magneto Electric Machine Feb 17, 1883

287,522 Molds for Carbonizing Feb 17, 1883

438,299 Manufacture of Carbon Filaments Feb 17, 1883

446,669 Manufacture of Filaments for Incandescent Electric Lamps Feb 17, 1883

476,528 Incandescent Electric Lamp Feb 17, 1883

281,351 Electrical Generator March 5, 1883

283,984 System of Electrical Distribution March 5, 1883

287,517 System of Electrical Distribution March 14,1883

283,983 System of Electrical Distribution April 5, 1883

354,310 Manufacture of Carbon Conductors April 6, 1883

370,123 Electric Meter April 6, 1883

411,017 Carbonizing Flask April 6, 1883

370,124 Manufacture of Filament for Incandescing Electric Lamp April 12, 1883

287,516 System of Electrical Distribution May 8, 1883

341,839 Incandescent Electric Lamp May 8, 1883

398,774 Incandescent Electric Lamp May 8, 1883

370,125 Electrical Transmission of Power June 1, 1883

370,126 Electrical Transmission of Power June 1, 1883

370,127 Electrical Transmission of Power June 1, 1883

370,128 Electrical Transmission of Power June 1, 1883

370,129 Electrical Transmission of Power June 1, 1883

370,130 Electrical Transmission of Power June 1, 1883

370,131 Electrical Transmission of Power June 1, 1883

438,300 Gauge for Testing Fibres for Incandescent Lamp Carbons June 1, 1883

287,511 Electric Regulator June 25, 1883

287,512 Dynamo Electric Machine June 25, 1883

287,513 Dynamo Electric Machine June 25, 1883

287,514 Dynamo Electric Machine June 25, 1883

287,515 System of Electrical Distribution June 25, 1883

297,582 Dynamo Electric Machine June 25, 1883

328,572 Commutator for Dynamo Electric MachinesJune 25, 1883

430,934 Electric Lighting System June 25, 1883

438,301 System of Electric Lighting June 25, 1883

297,583 Dynamo Electric Machines July 27, 1883

304,083 Dynamo Electric Machines July 27; 1883

304,084 Device for Protecting Electric Light Systems from Lightning July 27, 1883

438,302 Commutator for Dynamo Electric Machine July 27, 1883

476,529 System of Electrical Distribution July 27, 1883

297,584 Dynamo Electric Machine Aug 8, 1883

307,030 Electrical Meter Aug 8, 1883

297,585 Incandescing Conductor for Electric Lamps Sept 14, 1883

297,586 Electrical Conductor Sept 14, 1883

435,688 Process and Apparatus for Generating Electricity Sept 14, 1883

470,922 Manufacture of Filaments for Incandescent Lamps Sept 14, 1883

490,953 Generating Electricity Oct 9, 1883

293,432 Electrical Generator or Motor Oct 17, 1883

307,031 Electrical Indicator Nov 2, 1883

337,254 Telephone--Edison and Bergmann Nov 10, 1883

297,587 Dynamo Electric Machine Nov 16, 1883

298,954 Dynamo Electric Machine Nov 15, 1883

298,955 Dynamo Electric Machine Nov 15, 1883

304,085 System of Electrical Distribution Nov 15, 1883

509,517 System of Electrical Distribution Nov 15, 1883

425,761 Incandescent Lamp Nov 20, 1883

304,086 Incandescent Electric Lamp Dec 15, 1883

298,956 Operating Dynamo Electric Machine Jan 5, 1884

304,087 Electrical Conductor Jan 12, 1884

395,963 Incandescent Lamp Filament Jan 22, 1884

526,147 Plating One Material with Another Jan 22, 1884

339,279 System of Electrical Distribution Feb 8, 1884

314,115 Chemical Stock Quotation Telegraph -- Edison and Kenny Feb 9, 1884

436,968 Method and Apparatus for Drawing Wire June 2, 1884

436,969 Apparatus for Drawing Wire June 2, 1884

438,303 Arc Lamp June 2, 1884

343,017 System of Electrical Distribution June 27, 1884

391,595 System of Electric Lighting July 16, 1884

328,573 System of Electric Lighting Sept 12, 1884

328,574 System of Electric Lighting Sept 12, 1884

328,575 System of Electric Lighting Sept 12, 1884

391,596 Incandescent Electric Lamp Sept 24, 1884

438,304 Electric Signalling Apparatus Sept 24, 1884

422,577 Apparatus for Speaking Telephones -- Edison and Gilliland Oct 21, 1884

329,030 Telephone Dec 3, 1884

422,578 Telephone Repeater Dec 9, 1884

422,579 Telephone Repeater Dec 9, 1884

340,707 Telephonic Repeater Dec 9, 1884

340,708 Electrical Signalling Apparatus Dec 19, 1884

347,097 Electrical Signalling Apparatus Dec 19, 1884

478,743 Telephone Repeater Dec 31, 1884

340,709 Telephone Circuit -- Edison and Gilliland Jan 2, 1885

378,044 Telephone Transmitter Jan 9, 1885

348,114 Electrode for Telephone Transmitters Jan 12, 1885

438,305 Fuse Block Jan 14, 1885

350,234 System of Railway Signalling -- Edison and Gilliland March 27,1885

486,634 System of Railway Signalling -- Edison and Gilliland March 27,1885

333,289 Telegraphy April 27, 1885

333,290 Duplex Telegraphy April 30, 1885

333,291 Way Station Quadruplex Telegraph May 6, 1885

465,971 Means for Transmitting Signals ElectricallyMay 14, 1885

422 072 Telegraphy Oct 7, 1885

437 422 Telegraphy Oct 7, 1885

422,073 Telegraphy Nov 12, 1885

422,074 Telegraphy Nov 24, 1885

435,689 Telegraphy Nov 30, 1885

438,306 Telephone - Edison and Gilliland Dec 22, 1885

350,235 Railway Telegraphy -- Edison and Gilliland Dec 28, 1885

406,567 Telephone Jan 28, 1886

474,232 Speaking Telegraph Feb 17, 1886

370 132 Telegraphy May 11, 1886

411,018 Manufacture of Incandescent Lamps July 15, 1886

438,307 Manufacture of Incandescent Electric Lamps July I 5, 1886

448,779 Telegraph July IS, 1886

411,019 Manufacture of Incandescent Electric Lamps July 20, 1886

406,130 Manufacture of Incandescent Electric Lamps Aug 6, 1886

351,856 Incandescent Electric Lamp Sept 30, 1886

454,262 Incandescent Lamp Filaments Oct 26, 1886

466,400 Cut-Out for Incandescent Lamps -- Edison and J F Ott Oct 26, 1886

484,184 Manufacture of Carbon Filaments Oct 26, 1886

490,954 Manufacture of Carbon Filaments for Electric Lamps Nov 2, 1886

438,308 System of Electrical Distribution Nov 9, 1886

524,378 System of Electrical Distribution Nov 9, 1886

365,978 System of Electrical Distribution Nov 22, 1886

369 439 System of Electrical Distribution Nov 22, 1886

384 830 Railway Signalling--Edison and GillilandNov 24, 1886

379,944 Commutator for Dynamo Electric MachinesNov 26, 1886

411,020 Manufacture of Carbon Filaments Nov 26, 1886

485,616 Manufacture of Carbon Filaments Dec 6, 1886

485,615 Manufacture of Carbon Filaments Dec 6, 1886

525,007 Manufacture of Carbon Filaments Dec 6, 1886

369,441 System of Electrical Distribution Dec 10, 1886

369,442 System of Electrical Distribution Dec 16, 1886

369,443 System of Electrical Distribution Dec 16, 1886

484,185 Manufacture of Carbon Filaments Dec 20, 1886

534,207 Manufacture of Carbon Filaments Dec 20, 1886

373,584 Dynamo Electric Machine Dec 21, 1886

468,949 Converter System for Electric Railways Feb 7, 1887

380,100 Pyromagnetic Motor May 24, 1887

476,983 Pyromagnetic Generator May 24 1887

476,530 Incandescent Electric Lamp June 1, 1887

377,518 Magnetic Separator June 30, 1887

470,923 Railway Signalling Aug 9, 1887

545,405 System of Electrical Distribution Aug 26, 1887

380,101 System of Electrical Distribution Sept 13 1887

380,102 System of Electrical Distribution Sept 14 1887

470,924 Electric Conductor Sept 26, 1887

563,462 Method of and Apparatus for Drawing Wire Oct 17, 1887

385,173 System of Electrical Distribution Nov 5, 1887

506,215 Making Plate Glass Nov 9, 1887

382,414 Burnishing Attachments for PhonographsNov 22, 1887

386,974 Phonograph Nov 22, 1887

430,570 Phonogram Blank Nov 22, 1887

382,416 Feed and Return Mechanism for PhonographsNov 29, 1887

382,415 System of Electrical Distribution Dec 4, 1887

382,462 Phonogram Blanks Dec 5, 1887

484,582 Duplicating Phonograms Jan 17, 1888

434,586 Electric Generator Jan 21, 1888

434,587 Thermo Electric Battery Jan 21, 1888

382,417 Making Phonogram Blanks Jan 30, 1888

389,369 Incandescing Electric Lamp Feb 2, 1888

382,418 Phonogram Blank Feb 20, 1888

390,462 Making Carbon Filaments Feb 20, 1888

394,105 Phonograph Recorder Feb 20, 1888

394,106 Phonograph Reproducer Feb 20, 1888

382,419 Duplicating Phonograms March 3, 1888

425,762 Cut-Out for Incandescent Lamps March 3, 1888

396,356 Magnetic Separator March 19,1888

393,462 Making Phonogram Blanks April 28, 1888

393,463 Machine for Making Phonogram Blanks April 28, 1888

393,464 Machine for Making Phonogram Blanks April 28, 1888

534,208 Induction Converter May 7, 1888

476,991 Method of and Apparatus for Separating Ores May 9, 1888

400,646 Phonograph Recorder and Reproducer May 22, 1888

488,190 Phonograph Reproducer May 22, 1888

488,189 Phonograph May 26, 1888

470,925 Manufacture of Filaments for Incandescent Electric Lamps June 21, 1888

393,465 Preparing Phonograph Recording SurfacesJune 30, 1888

400,647 Phonograph June 30, 1888

448,780 Device for Turning Off Phonogram BlanksJune 30, 1888

393,466 Phonograph Recorder July 14, 1888

393,966 Recording and Reproducing Sounds July 14, 1888

393,967 Recording and Reproducing Sounds July 14, 1888

430,274 Phonogram Blank July 14, 1888

437,423 Phonograph July 14, 1888

450,740 Phonograph Recorder July 14, 1888

485,617 Incandescent Lamp Filament July 14, 1888

448,781 Turning-Off Device for Phonographs July 16, 1888

400,648 Phonogram Blank July 27, 1888

499,879 Phonograph July 27, 1888

397,705 Winding Field Magnets Aug 31, 1888

435,690 Making Armatures for Dynamo Electric Machines Aug 31, 1888

430,275 Magnetic Separator Sept 12, 1888

474,591 Extracting Gold from Sulphide Ores Sept 12, 1888

397,280 Phonograph Recorder and Reproducer Sept 19, 1888

397,706 Phonograph Sept 29, 1888

400,649 Making Phonogram Blanks Sept 29, 1888

400,650 Making Phonogram Blanks Oct 15, 1888

406,568 Phonograph Oct 15, 1888

437,424 Phonograph Oct 15, 1888

393,968 Phonograph Recorder Oct 31, 1888

406,569 Phonogram Blank Jan 10, 1889

488,191 Phonogram Blank Jan 10, 1889

430,276 Phonograph Jan 12, 1889

406,570 Phonograph Feb 1, 1889

406,571 Treating Phonogram Blanks Feb 1, 1889

406,572 Automatic Determining Device for Phonographs Feb 1, 1889

406,573 Automatic Determining Device for Phonographs Feb 1, 1889

406,574 Automatic Determining Device for Phonographs Feb 1, 1889

406,575 Automatic Determining Device for Phonographs Feb 1, 1889

406,576 Phonogram Blank Feb 1, 1889

430,277 Automatic Determining Device for Phonographs Feb 1, 1889

437,425 Phonograph Recorder Feb 1, 1889

414,759 Phonogram Blanks March 22, 1889

414,760 Phonograph March 22, 1889

462,540 Incandescent Electric Lamps March 22, 1889

430,278 Phonograph April 8, 1889

438,309 Insulating Electrical Conductors April 25, 1889

423,039 Phonograph Doll or Other Toys June 15, 1889

426,527 Automatic Determining Device for Phonographs June 15, 1889

430,279 Voltaic Battery June 15, 1889

506,216 Apparatus for Making Glass June 29, 1889

414,761 Phonogram Blanks July 16, 1889

430,280 Magnetic Separator July 20, 1889

437,426 Phonograph July 20, 1889

465,972 Phonograph Nov 14, 1889

443,507 Phonograph Dec 11 1889

513,095 Phonograph Dec 11 1889

434,588 Magnetic Ore Separator--Edison and W K L Dickson Jan 16, 1890

437,427 Making Phonogram Blanks Feb 8, 1890

465,250 Extracting Copper Pyrites Feb 8, 1890

434,589 Propelling Mechanism for Electric VehiclesFeb 14, 1890

438,310 Lamp Base April 25, 1890

437,428 Propelling Device for Electric Cars April 29, 1890

437,429 Phonogram Blank April 29, 1890

454,941 Phonograph Recorder and Reproducer May 6, 1890

436,127 Electric Motor May 17, 1890

484,583 Phonograph Cutting Tool May 24, 1890

484,584 Phonograph Reproducer May 24, 1890

436,970 Apparatus for Transmitting Power June 2, 1890

453,741 Phonograph July 5, 1890

454,942 Phonograph July 5, 1890

456,301 Phonograph Doll July 5, 1890

484,585 Phonograph July 5, 1890

456,302 Phonograph Aug 4, 1890

476,984 Expansible Pulley Aug 9, 1890

493,858 Transmission of Power Aug 9, 1890

457,343 Magnetic Belting Sept 6, 1890

444,530 Leading-in Wires for Incandescent Electric Lamps (reissued October 10, 1905, No 12,393) Sept 12, 1890

534 209 Incandescent Electric Lamp Sept 13, 1890

476 985 Trolley for Electric Railways Oct 27, 1890

500,280 Phonograph Oct 27, 1890

541,923 Phonograph Oct 27, 1890

457,344 Smoothing Tool for Phonogram Blanks Nov 17, 1890

460,123 Phonogram Blank Carrier Nov 17, 1890

500,281 Phonograph Nov 17, 1890

541,924 Phonograph Nov 17, 1890

500,282 Phonograph Dec 1, 1890

575,151 Phonograph Dec 1, 1890

605,667 Phonograph Dec 1, 1890

610,706 Phonograph Dec 1, 1890

622,843 Phonograph Dec 1, 1890

609,268 Phonograph Dec 6, 1890

493,425 Electric Locomotive Dec 20, 1890

476,992 Incandescent Electric Lamp Jan 20, 1891

470,926 Dynamo Electric Machine or Motor Feb 4, 1891

496,191 Phonograph Feb 4, 1891

476,986 Means for Propelling Electric Cars Feb 24, 1891

476,987 Electric Locomotive Feb 24, 1891

465,973 Armatures for Dynamos or Motors March 4, 1891

470,927 Driving Mechanism for Cars March 4, 1891

465,970 Armature Connection for Motors or Generators March 20, 1891

468,950 Commutator Brush for Electric Motors and Dynamos March 20, 1891

475,491 Electric Locomotive June 3, 1891

475,492 Electric Locomotive June 3, 1891

475,493 Electric Locomotive June 3, 1891

475,494 Electric Railway June 3, 1891

463,251 Bricking Fine Ores July 31, 1891

470,928 Alternating Current Generator July 31, 1891

476,988 Lightning Arrester July 31, 1891

476,989 Conductor for Electric Railways July 31, 1891

476,990 Electric Meter July 31, 1891

476,993 Electric Arc July 31, 1891

484,183 Electrical Depositing Meter July 31, 1891

485,840 Bricking Fine Iron Ores July 31, 1891

493,426 Apparatus for Exhibiting Photographs of Moving Objects July 31, 1891

509,518 Electric Railway July 31, 1891

589,168 Kinetographic Camera (reissued September 30, 1902, numbered 12,037 and 12,038, and January 12, 1904, numbered 12,192) July 31, 1891

470,929 Magnetic Separator Aug 28, 1891

471,268 Ore Conveyor and Method of Arranging Ore Thereon Aug 28, 1891

472,288 Dust-Proof Bearings for Shafts Aug 28, 1891

472,752 Dust-Proof Journal Bearings Aug 28, 1891

472,753 Ore-Screening Apparatus Aug 28, 1891

474,592 Ore-Conveying Apparatus Aug 28, 1891

474,593 Dust-Proof Swivel Shaft Bearing Aug 28, 1891

498,385 Rollers for Ore-Crushing or Other Material Aug 28, 1891

470,930 Dynamo Electric Machine Oct 8, 1891

476,532 Ore-Screening Apparatus Oct 8, 1891

491,992 Cut-Out for Incandescent Electric LampsNov 10, 1891

491,993 Stop Device April 5 1892

564,423 Separating Ores June 2;, 1892

485,842 Magnetic Ore Separation July 9, 1892

485,841 Mechanically Separating Ores July 9, 1892

513,096 Method of and Apparatus for Mixing Materials Aug 24, 1892

509,428 Composition Brick and Making Same March 15, 1893

513,097 Phonograph May 22, 1893

567,187 Crushing Rolls Dec 13, 1893

602 064 Conveyor Dec 13, 1893

534 206 Filament for Incandescent Lamps Dec 15, 1893

865,367 Fluorescent Electric Lamp May 16, 1896

604 740 Governor for Motors Jan 25, 1897

607,588 Phonograph Jan 25, 1897

637,327 Rolls May 14, 1897

672,616 Breaking Rock May 14, 1897

675,056 Magnetic Separator May 14, 1897

676,618 Magnetic Separator May 14, 1897

605,475 Drying Apparatus June 10, 1897

605,668 Mixer June 10, 1897

667,201 Flight Conveyor June 10, 1897

671,314 Lubricating Journal Bearings June 10, 1897

671,315 Conveyor June 10, 1897

675,057 Screening Pulverized Material June 10, 1897

713,209 Duplicating Phonograms Feb 21, 1898

703,774 Reproducer for Phonographs March 21, 1898

626,460 Filament for Incandescent Lamps and Manufacturing Same March 29,1898

648,933 Dryer April 11, 1898

661,238 Machine for Forming Pulverized Material in Briquettes April 11, 1898

674,057 Crushing Rolls April 11, 1898

703,562 Apparatus for Bricking Pulverized MaterialApril 11, 1898

704,010 Apparatus for Concentrating Magnetic Iron Ores April 11, 1898

659,389 Electric Meter Sept 19, 1898

648,934 Screening or Sizing Very Fine MaterialsFeb 6, 1899

663,015 Electric Meter Feb 6, 1899

688,610 Phonographic Recording Apparatus Feb 10, 1899

643,764 Reheating Compressed Air for Industrial Purposes Feb 24, 1899

660,293 Electric Meter March 23, 1899

641,281 Expanding Pulley--Edison and Johnson March 28, 1899

727,116 Grinding Rolls June 15, 1899

652,457 Phonograph (reissued September 25, 1900, numbered 11,857) Sept 12, 1899

648,935 Apparatus for Duplicating Phonograph Records Oct 27, 1899

685,911 Apparatus for Reheating Compressed Air for Industrial Purposes Nov 24, 1899

657,922 Apparatus for Reheating Compressed Air for Industrial Purposes Dec 9, 1899

676,840 Magnetic Separating Apparatus Jan 3, 1900

660,845 Apparatus for Sampling, Averaging, Mixing, and Storing Materials in Bulk Jan 9, 1900

662,063 Process of Sampling, Averaging, Mixing, and Storing Materials in Bulk Jan 9, 1900

679,500 Apparatus for Screening Fine Materials Jan 24, 1900

671,316 Apparatus for Screening Fine Materials Feb 23, 1900

671,317 Apparatus for Screening Fine Materials March 28, 1900

759,356 Burning Portland Cement Clinker, etc April 10, 1900

759,357 Apparatus for Burning Portland Cement Clinker, etc April 10 1900

655,480 Phonographic Reproducing Device April 30 1900

657,527 Making Metallic Phonograph Records April 30, 1900

667,202 Duplicating Phonograph Records April 30, 1900

667,662 Duplicating Phonograph Records April 30, 1900

713,863 Coating Phonograph Records May IS, 1900

676,841 Magnetic Separating Apparatus June 11 1900

759,358 Magnetic Separating Apparatus June 11 1900

680,520 Phonograph Records July 23, 1900

672,617 Apparatus for Breaking Rock Aug 1, 1900

676,225 Phonographic Recording Apparatus Aug 10, 1900

703,051 Electric Meter Sept 28, 1900

684,204 Reversible Galvanic Battery Oct IS 1900

871,214 Reversible Galvanic Battery Oct IS 1900

704,303 Reversible Galvanic Battery Dec 22, 1900

700,136 Reversible Galvanic Battery Feb 18 1901

700,137 Reversible Galvanic Battery Feb 23 1901

704,304 Reversible Galvanic Battery Feb 23, 1901

704,305 Reversible Galvanic Battery May 10, 1901

678,722 Reversible Galvanic Battery June 17, 1901

684,205 Reversible Galvanic Battery June 17, 1901

692,507 Reversible Galvanic Battery June 17, 1901

701,804 Reversible Galvanic Battery June 17, 1901

704,306 Reversible Galvanic Battery June 17, 1901

705,829 Reproducer for Sound Records Oct 24, 1901

831,606 Sound Recording Apparatus Oct 24, 1901

827,089 Calcining Furnaces Dec 24, 1901

734,522 Process of Nickel-Plating Feb 11, 1902

727,117 Reversible Galvanic Battery Sept 29, 1902

727,118 Manufacturing Electrolytically Active Finely Divided Iron Oct 13, 1902

721,682 Reversible Galvanic Battery Nov 13, 1902

721,870 Funnel for Filling Storage Battery JarsNov 13, 1902

723,449 Electrode for Storage Batteries Nov 13, 1902

723,450 Reversible Galvanic Battery Nov 13, 1902

754,755 Compressing Dies Nov 13, 1902

754,858 Storage Battery Tray Nov 13, 1902

754,859 Reversible Galvanic Battery Nov 13, 1902

764,183 Separating Mechanically Entrained Globules from Gases Nov 13, 1902

802,631 Apparatus for Burning Portland Cement Clinker Nov 13, 1902

852,424 Secondary Batteries Nov 13, 1902

722,502 Handling Cable Drawn Cars on Inclines Dec 18, 1902

724,089 Operating Motors in Dust Laden Atmospheres Dec 18, 1902

750,102 Electrical Automobile Dec 18, 1902

758,432 Stock House Conveyor Dec 18, 1902

873,219 Feed Regulators for Grinding Machines Dec 18, 1902

832,046 Automatic Weighing and Mixing ApparatusDec 18, 1902

772,647 Photographic Film for Moving Picture Machine Jan 13, 1903

841,677 Apparatus for Separating and Grinding Fine Materials Jan 22, 1903

790,351 Duplicating Phonograph Records Jan 30 1903

831,269 Storage Battery Electrode Plate Jan 30, 1903

775,965 Dry Separator April 27, 1903

754,756 Process of Treating Ores from Magnetic Gangue May 25, 1903

775,600 Rotary Cement Kilns July 20, 1903

767,216 Apparatus for Vacuously Depositing Metals July 30 1903

796,629 Lamp Guard July 30 1903

772,648 Vehicle Wheel Aug 25, 1903

850,912 Making Articles by Electro-Plating Oct 3, 1903

857,041 Can or Receptacle for Storage Batteries Oct 3, 1903

766,815 Primary Battery Nov 16, 1903

943,664 Sound Recording Apparatus Nov 16, 1903

873,220 Reversible Galvanic Battery Nov 20, 1903

898,633 Filling Apparatus for Storage Battery Jars Dec 8, 1903

767,554 Rendering Storage Battery Gases Non-Explosive June 8, 1904

861,241 Portland Cement and Manufacturing SameJune 20, 1904

800,800 Phonograph Records and Making Same June 24, 1904

821,622 Cleaning Metallic Surfaces June 24, 1904

879,612 Alkaline Storage Batteries June 24, 1904

880,484 Process of Producing Very Thin Sheet Metal June 24, 1904

827,297 Alkaline Batteries July 12, 1904

797,845 Sheet Metal for Perforated Pockets of Storage Batteries July 12, 1904

847,746 Electrical Welding Apparatus July 12, 1904

821,032 Storage Battery Aug 10, 1904

861,242 Can or Receptacle for Storage Battery Aug 10, 1904

970,615 Methods and Apparatus for Making Sound Records Aug 23, 1904

817,162 Treating Alkaline Storage Batteries Sept 26, 1904

948,542 Method of Treating Cans of Alkaline Storage Batteries Sept 28, 1904

813,490 Cement Kiln Oct 29, 1904

821,625 Treating Alkaline Storage Batteries Oct 29, 1904

821,623 Storage Battery Filling Apparatus Nov 1, 1904

821,624 Gas Separator for Storage Battery Oct 29, 1904

879,859 Apparatus for Producing Very Thin Sheet Metal Feb 16, 1905

804,799 Apparatus for Perforating Sheet Metal March 17, 1905

870,024 Apparatus for Producing Perforated Strips March 23, 1905

882,144 Secondary Battery Electrodes March 29, 1905

821,626 Process of Making Metallic Films or Flakes March 29,1905

821,627 Making Metallic Flakes or Scales March 29,1905

827,717 Making Composite Metal March 29,1905

839,371 Coating Active Material with Flake-like Conducting Material March 29,1905

854,200 Making Storage Battery Electrodes March 29,1905

857,929 Storage Battery Electrodes March 29, 1905

860,195 Storage Battery Electrodes April 26, 1905

862,145 Process of Making Seamless Tubular Pockets or Receptacles for Storage Battery Electrodes April 26, 1905

839,372 Phonograph Records or Blanks April 28, 1905

813,491 Pocket Filling Machine May 15, 1905

821,628 Making Conducting Films May 20, 1905

943,663 Horns for Talking Machines May 20, 1905

950 226 Phonograph Recording Apparatus May 20, 1905

785 297 Gas Separator for Storage Batteries July 18, 1905

950,227 Apparatus for Making Metallic Films or Flakes Oct 10, 1905

936,433 Tube Filling and Tamping Machine Oct 12, 1905

967,178 Tube Forming Machines--Edison and John F Ott Oct 16, 1905

880,978 Electrode Elements for Storage Batteries Oct 31, 1905

880,979 Method of Making Storage Battery Electrodes Oct 31, 1905

850,913 Secondary Batteries Dec 6, 1905

914,342 Storage Battery Dec 6, 1905

858,862 Primary and Secondary Batteries Jan 9, 1906

850,881 Composite Metal Jan 19, 1906

964,096 Processes of Electro-Plating Feb 24, 1906

914,372 Making Thin Metallic Flakes July 13, 1906

962,822 Crushing Rolls Sept 4, 1906

923,633 Shaft Coupling Sept 11, 1906

962,823 Crushing Rolls Sept 11, 1906

930,946 Apparatus for Burning Portland Cement Oct 22,1906

898 404 Making Articles by Electro-Plating Nov 2, 1906

930,948 Apparatus for Burning Portland Cement Nov 16, 1906

930,949 Apparatus for Burning Portland Cement Nov 26 1906

890,625 Apparatus for Grinding Coal Nov, 33 1906

948,558 Storage Battery Electrodes Nov 28, 1906

964,221 Sound Records Dec 28, 1906

865,688 Making Metallic Films or Flakes Jan 11, 1907

936,267 Feed Mechanism for Phonographs and Other Machines Jan 11, 1907

936,525 Making Metallic Films or Flakes Jan 17, 1907

865,687 Making Nickel Films Jan 18, 1907

939,817 Cement Kiln Feb 8, 1907

855,562 Diaphragm for Talking Machines Feb 23, 1907

939,992 Phonographic Recording and Reproducing Machine Feb 25, 1907

941,630 Process and Apparatus for Artificially Aging or Seasoning Portland Cement Feb 25, 1907

876,445 Electrolyte for Alkaline Storage BatteriesMay 8, 1907

914,343 Making Storage Battery Electrodes May 15, 1907

861,819 Discharging Apparatus for Belt ConveyorsJune 11, 1907

954,789 Sprocket Chain Drives June 11, 1907

909,877 Telegraphy June 18, 1907

896,811 Metallic Film for Use with Storage Batteries and Process Feb 4, 1908

940,635 Electrode Element for Storage Batteries Feb 4, 1908

909,167 Water-Proofing Paint for Portland Cement Buildings Feb 4, 1908

896,812 Storage Batteries March 13, 1908

944,481 Processes and Apparatus for Artificially Aging or Seasoning Portland Cement March 13,1908

947,806 Automobiles March 13, 1908

909,168 Water-Proofing Fibres and Fabrics May 27, 1908

909,169 Water-Proofing Paint for Portland Cement Structures May 27, 1908

970,616 Flying Machines Aug 20, 1908

930,947 Gas Purifier Feb 15, 1909

40,527 Design Patent for Phonograph Cabinet Sept 13, 1909