The Complete

Alexander Graham Bell
(March 3, 1847 - August 2, 1922)

U.S. Patent Collection
© 1998 - 2014 Mall USA, Inc.

by Jim Bieberich, Patent Historian

The complete collection of patents is available by CDROM in PDF for easy viewing and printing.   Click here to ORDER

  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 Hydrodrom, 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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