The Complete
Alexander Graham Bell
(March 3, 1847 - August 2, 1922)
U.S. Patent Collection
by Jim Bieberich, Patent Historian
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The Complete Alexander Graham Bell U.S. Patent Collection by Jim Bieberich, Patent Historian |
| Patent # | Type | Co-Inventor | Applied | Granted | Claims | Pages | Description | |
| 1 | 161,739 | U | -- | 03/06/1875 | 04/06/1875 | 3 | 4 | Improvement In Transmitters And Receivers For Electric Telegraphs |
| 2 | 174,465 | U | -- | 02/14/1876 | 03/07/1876 | 6 | 6 | Improvement In Telegraphy |
| 3 | 178,399 | U | -- | 04/08/1876 | 06/06/1876 | 1 | 3 | Improvement In Telephonic Telegraph-Receivers |
| 4 | 181,553 | U | -- | 08/12/1876 | 08/29/1876 | 2 | 3 | Improvement In Generating Electric Currents |
| 5 | 186,787 | U | -- | 01/15/1877 | 01/30/1877 | 8 | 5 | Improvement In Electric Telegraphy |
| 6 | 201,488 | U | -- | 02/08/1878 | 03/19/1878 | 6 | 3 | Improvement In Speaking-Telephones |
| 7 | 213,090 | U | -- | 01/16/1879 | 03/11/1879 | 10 | 5 | Improvement In Electric Speaking-Telephones |
| 8 | 220,791 | U | -- | 07/17/1879 | 10/21/1879 | 2 | 4 | Improvement In Telephone-Circuits |
| 9 | 228,507 | U | -- | 01/02/1880 | 06/08/1880 | 5 | 4 | Electric Telephone Transmitter |
| 10 | 230,168 | U | -- | 03/16/1880 | 07/20/1880 | 3 | 3 | Automatic Short-Circuiter For Telephones |
| 11 | 235,199 | U | -- | 08/28/1880 | 12/07/1880 | 18 | 13 | Apparatus For Signaling And Communicating, Called "Photophone" |
| 12 | 235,496 | U | Tainter, Sumner | 09/25/1880 | 12/14/1880 | 3 | 3 | Photophone-Transmitter |
| 13 | 235,497 | U | Tainter, Sumner | 09/25/1880 | 12/14/1880 | 5 | 4 | Selenium-Cell |
| 14 | 235,616 | U | Tainter, Sumner | 08/28/1880 | 12/21/1880 | 2 | 2 | Process Of Treating Selenium To Increase Its Electric Conductivity |
| 15 | 238,833 | U | -- | 03/13/1880 | 03/15/1881 | 19 | 9 | Electric Call-Bell |
| 16 | 241,184 | U | -- | 03/24/1881 | 05/10/1881 | 6 | 4 | Telephonic Receiver |
| 17 | 241,909 | U | Tainter, Sumner | 03/24/1881 | 05/24/1881 | 15 | 7 | Photophonic Receiver |
| 18 | 244,426 | U | -- | 06/04/1881 | 07/19/1881 | 1 | 3 | Telephone-Circuit |
| 19 | 250,704 | U | -- | 12/26/1879 | 12/13/1881 | 1 | 2 | Speaking-Telephone |
| 20 | 341,212 | U | Bell, Chichester A. Tainter, Sumner | 11/18/1885 | 05/04/1886 | 15 | 7 | Reproducing Sounds From Phonograph Records |
| 21 | 341,213 | U | Bell, Chichester A. Tainter, Sumner | 11/18/1885 | 05/04/1886 | 24 | 8 | Transmitting And Recording Sounds By Radiant Energy |
| 22 | 757,012 | U | -- | 06/01/1903 | 04/12,1904 | 3 | 3 | Aerial Vehicle |
| 23 | 770,626 | U | -- | 06/01/1903 | 09/20/1904 | 16 | 7 | Aerial Vehicle Or Other Structure |
| 24 | 856,838 | U | McNeil, Hector P. | 10/24/1906 | 06/11/1907 | 10 | 4 | Connection Device For The Frames Of Aerial Vehicles And Other Structures |
| 25 | 1,011,106 | U | Baldwin, Frederick McCurdy, John Alexander Douglas Curtiss, Glenn H. Selfridge, Thomas E. | 04/08/1909 | 12/05/1911 | 28 | 13 | Flying-Machine |
| 26 | 1,050,601 | U | -- | 02/08/1910 | 01/14/1913 | 8 | 6 | Flying-Machine |
| 27 | 1,410,874 | U | Baldwin, Frederick W. | 05/07/1920 | 03/28/1922 | 36 | 12 | Hydrodrome Hydroaeroplane, And The Like |
| 28 | 1,410,875 | U | Baldwin, Frederick W. | 05/07/1920 | 03/28/1922 | 52 | 15 | Hydrodrome, Hydroaeroplane, And The Like |
| 29 | 1,410,876 | U | Baldwin, Frederick W. | 05/07/1920 | 03/28/1922 | 13 | 3 | Hydrodrome, Hydroaeroplane, And The Like |
| 30 | 1,410,877 | U | Baldwin, Frederick W. Breese, Sydney S. | 05/07/1920 | 03/28/1922 | 6 | 3 | Hydrodrome, Hydroaeroplane, And The Like |
Notes:
| Type: | U=Utility | R=Reissue | D=Design | T=Trademark | a=assignment | d=disclaimer | c=correction |
| Claims: | The number legal claims inventor makes to protect his invention |
| Applied: | The day the patent application was filed with the Patent Office. Other dates for application renewals or divisions may exist and can be found in the patent |
| Granted: | The day the Patent Office granted the patent |
| # Pages: | Page count includes correction and disclaimer pages |
| Red: | Patent(s) that made this inventor famous |
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