Edison, His Life and Inventions [367]
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
1874
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
1875
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
1876
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
1877 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 . . . . . .
1874
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
1875
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
1876
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
1877 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 . . . . . .