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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2096805.pdf | 578 kB | Shaun Ewing | Oct 26, 1937 00:00 |
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US-2096805-A // Phonograph // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 578 kB | Shaun Ewing | Oct 26, 1937 00:00 | US-2096805-A // Phonograph // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 1809043.pdf | 577 kB | Shaun Ewing | Jun 09, 1931 00:00 |
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US-1809043-A // Printing telegraph system // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Jun 09, 1931 00:00 | US-1809043-A // Printing telegraph system // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2097498.pdf | 577 kB | Shaun Ewing | Nov 02, 1937 00:00 |
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US-2097498-A // Coin chute for coin collectors // Mills Percy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Nov 02, 1937 00:00 | US-2097498-A // Coin chute for coin collectors // Mills Percy E. // Bell Telephone Labor Inc | ||||
| PDF File 2171127.pdf | 577 kB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2171127-A // Condenser // Kohman Girard T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Aug 29, 1939 00:00 | US-2171127-A // Condenser // Kohman Girard T. // Bell Telephone Labor Inc | ||||
| PDF File 2105483.pdf | 577 kB | Shaun Ewing | Jan 18, 1938 00:00 |
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US-2105483-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105483-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2049174.pdf | 576 kB | Shaun Ewing | Jul 28, 1936 00:00 |
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US-2049174-A // Telephone coin collector // Parsons Loren E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Jul 28, 1936 00:00 | US-2049174-A // Telephone coin collector // Parsons Loren E. // Bell Telephone Labor Inc | ||||
| PDF File 1836594.pdf | 576 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836594-A // Radio signaling system // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836594-A // Radio signaling system // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2139249.pdf | 575 kB | Shaun Ewing | Dec 06, 1938 00:00 |
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US-2139249-A // Telephone system // Welch Paul V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 575 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2139249-A // Telephone system // Welch Paul V. // Bell Telephone Labor Inc | ||||
| PDF File 1998840.pdf | 575 kB | Shaun Ewing | Apr 23, 1935 00:00 |
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US-1998840-A // Magnetic material and method of treatment thereof // Legg Victor E. ; Peterson Eugene ; Wrathall Leishman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 575 kB | Shaun Ewing | Apr 23, 1935 00:00 | US-1998840-A // Magnetic material and method of treatment thereof // Legg Victor E. ; Peterson Eugene ; Wrathall Leishman R. // Bell Telephone Labor Inc | ||||
| PDF File 2018494.pdf | 575 kB | Shaun Ewing | Oct 22, 1935 00:00 |
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US-2018494-A // Transmission control circuit // Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 575 kB | Shaun Ewing | Oct 22, 1935 00:00 | US-2018494-A // Transmission control circuit // Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 2208923.pdf | 574 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208923-A // Volume limiter circuit // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208923-A // Volume limiter circuit // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 2160797.pdf | 574 kB | Shaun Ewing | May 30, 1939 00:00 |
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US-2160797-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | May 30, 1939 00:00 | US-2160797-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2139230.pdf | 574 kB | Shaun Ewing | Dec 06, 1938 00:00 |
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US-2139230-A // High efficiency oscillator of the barkhausen type // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2139230-A // High efficiency oscillator of the barkhausen type // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2209506.pdf | 573 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209506-A // Telegraph transmitting key // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209506-A // Telegraph transmitting key // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2155230.pdf | 573 kB | Shaun Ewing | Apr 18, 1939 00:00 |
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US-2155230-A // Peak voltage limiter // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Apr 18, 1939 00:00 | US-2155230-A // Peak voltage limiter // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2069841.pdf | 573 kB | Shaun Ewing | Feb 09, 1937 00:00 |
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US-2069841-A // Safety device for phonographs // Massonneau Robert F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Feb 09, 1937 00:00 | US-2069841-A // Safety device for phonographs // Massonneau Robert F. // Bell Telephone Labor Inc | ||||
| PDF File 2203332.pdf | 572 kB | Shaun Ewing | Jun 04, 1940 00:00 |
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US-2203332-A // Piezoelectric device // Kinsley Thomas G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Jun 04, 1940 00:00 | US-2203332-A // Piezoelectric device // Kinsley Thomas G. // Bell Telephone Labor Inc | ||||
| PDF File 1915389.pdf | 572 kB | Shaun Ewing | Jun 27, 1933 00:00 |
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US-1915389-A // Regulator system // Sole John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915389-A // Regulator system // Sole John H. // Bell Telephone Labor Inc | ||||
| PDF File 2224183.pdf | 572 kB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224183-A // Telegraph transmitting system // Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224183-A // Telegraph transmitting system // Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2225646.pdf | 572 kB | Shaun Ewing | Dec 24, 1940 00:00 |
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US-2225646-A // Selector switch brush // Lewis Benjamin F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Dec 24, 1940 00:00 | US-2225646-A // Selector switch brush // Lewis Benjamin F. // Bell Telephone Labor Inc |
