Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1816905.pdf | 741 kB | Shaun Ewing | Aug 04, 1931 00:00 |
|
US-1816905-A // Communication system // Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 741 kB | Shaun Ewing | Aug 04, 1931 00:00 | US-1816905-A // Communication system // Horton Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2119212.pdf | 741 kB | Shaun Ewing | May 31, 1938 00:00 |
|
US-2119212-A // Volume indicator // Kahl Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 741 kB | Shaun Ewing | May 31, 1938 00:00 | US-2119212-A // Volume indicator // Kahl Henry // Bell Telephone Labor Inc | ||||
| PDF File 2139685.pdf | 740 kB | Shaun Ewing | Dec 13, 1938 00:00 |
|
US-2139685-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 740 kB | Shaun Ewing | Dec 13, 1938 00:00 | US-2139685-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2137036.pdf | 739 kB | Shaun Ewing | Nov 15, 1938 00:00 |
|
US-2137036-A // Transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2137036-A // Transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2183204.pdf | 739 kB | Shaun Ewing | Dec 12, 1939 00:00 |
|
US-2183204-A // Electro-optical system // Reynolds Frederick W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183204-A // Electro-optical system // Reynolds Frederick W. // Bell Telephone Labor Inc | ||||
| PDF File 2133434.pdf | 739 kB | Shaun Ewing | Oct 18, 1938 00:00 |
|
US-2133434-A // Electric discharge device // Depew Charles ; Roncl Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Oct 18, 1938 00:00 | US-2133434-A // Electric discharge device // Depew Charles ; Roncl Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1837373.pdf | 738 kB | Shaun Ewing | Dec 22, 1931 00:00 |
|
US-1837373-A // Glass working machine // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Dec 22, 1931 00:00 | US-1837373-A // Glass working machine // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1981668.pdf | 738 kB | Shaun Ewing | Nov 20, 1934 00:00 |
|
US-1981668-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Nov 20, 1934 00:00 | US-1981668-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1917007.pdf | 738 kB | Shaun Ewing | Jul 04, 1933 00:00 |
|
US-1917007-A // Sound translating device // Atkins George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917007-A // Sound translating device // Atkins George E. // Bell Telephone Labor Inc | ||||
| PDF File 2096436.pdf | 738 kB | Shaun Ewing | Oct 19, 1937 00:00 |
|
US-2096436-A // Telephone system // Massonncau Robert F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096436-A // Telephone system // Massonncau Robert F. // Bell Telephone Labor Inc | ||||
| PDF File 2196173.pdf | 738 kB | Shaun Ewing | Apr 09, 1940 00:00 |
|
US-2196173-A // Communication system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Apr 09, 1940 00:00 | US-2196173-A // Communication system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2227093.pdf | 738 kB | Shaun Ewing | Dec 31, 1940 00:00 |
|
US-2227093-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Dec 31, 1940 00:00 | US-2227093-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2092515.pdf | 737 kB | Shaun Ewing | Sept 07, 1937 00:00 |
|
US-2092515-A // Insulator // Jervey William T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Sept 07, 1937 00:00 | US-2092515-A // Insulator // Jervey William T. // Bell Telephone Labor Inc | ||||
| PDF File 2133832.pdf | 737 kB | Shaun Ewing | Oct 18, 1938 00:00 |
|
US-2133832-A // System for compensating for differences in potential // Pullis George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Oct 18, 1938 00:00 | US-2133832-A // System for compensating for differences in potential // Pullis George A. // Bell Telephone Labor Inc | ||||
| PDF File 2103468.pdf | 737 kB | Shaun Ewing | Dec 28, 1937 00:00 |
|
US-2103468-A // Wave translating system // Jr. John G. Kreer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103468-A // Wave translating system // Jr. John G. Kreer, // Bell Telephone Labor Inc | ||||
| PDF File 2207253.pdf | 737 kB | Shaun Ewing | Jul 09, 1940 00:00 |
|
US-2207253-A // Measuring and indicating circuits // Hawks Verl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207253-A // Measuring and indicating circuits // Hawks Verl J. // Bell Telephone Labor Inc | ||||
| PDF File 2192986.pdf | 737 kB | Shaun Ewing | Mar 12, 1940 00:00 |
|
US-2192986-A // Variable condenser // Rodgers Karl F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2192986-A // Variable condenser // Rodgers Karl F. // Bell Telephone Labor Inc | ||||
| PDF File 2029018.pdf | 737 kB | Shaun Ewing | Jan 28, 1936 00:00 |
|
US-2029018-A // Telephone system // Cruickshank John E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Jan 28, 1936 00:00 | US-2029018-A // Telephone system // Cruickshank John E. // Bell Telephone Labor Inc | ||||
| PDF File 1974082.pdf | 736 kB | Shaun Ewing | Sept 18, 1934 00:00 |
|
US-1974082-A // Regulator system // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Sept 18, 1934 00:00 | US-1974082-A // Regulator system // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2086603.pdf | 736 kB | Shaun Ewing | Jul 13, 1937 00:00 |
|
US-2086603-A // Neutralizing system // Cash Claude C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Jul 13, 1937 00:00 | US-2086603-A // Neutralizing system // Cash Claude C. // Bell Telephone Labor Inc |