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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2106813.pdf | 502 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106813-A // Acoustic device // Romanow Frank F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 502 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106813-A // Acoustic device // Romanow Frank F. // Bell Telephone Labor Inc | ||||
| PDF File 1892253.pdf | 501 kB | Shaun Ewing | Dec 27, 1932 00:00 |
|
US-1892253-A // Directive antenna system // Schelleng John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Dec 27, 1932 00:00 | US-1892253-A // Directive antenna system // Schelleng John C. // Bell Telephone Labor Inc | ||||
| PDF File 2190466.pdf | 501 kB | Shaun Ewing | Feb 13, 1940 00:00 |
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US-2190466-A // Telephone substation apparatus // Bennett Arthur F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Feb 13, 1940 00:00 | US-2190466-A // Telephone substation apparatus // Bennett Arthur F. // Bell Telephone Labor Inc | ||||
| PDF File 2129849.pdf | 501 kB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129849-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129849-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2047387.pdf | 500 kB | Shaun Ewing | Jul 14, 1936 00:00 |
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US-2047387-A // Holder for piezoelectric crystals // Scott Herbert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Jul 14, 1936 00:00 | US-2047387-A // Holder for piezoelectric crystals // Scott Herbert J. // Bell Telephone Labor Inc | ||||
| PDF File 1854802.pdf | 500 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854802-A // Telephone receiver // Meyer Arthur // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854802-A // Telephone receiver // Meyer Arthur // Bell Telephone Labor Inc | ||||
| PDF File 2008288.pdf | 500 kB | Shaun Ewing | Jul 16, 1935 00:00 |
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US-2008288-A // Wire wound electrical device // Malone William F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Jul 16, 1935 00:00 | US-2008288-A // Wire wound electrical device // Malone William F. // Bell Telephone Labor Inc | ||||
| PDF File 2048539.pdf | 500 kB | Shaun Ewing | Jul 21, 1936 00:00 |
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US-2048539-A // Telephone coin collector // Curran Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Jul 21, 1936 00:00 | US-2048539-A // Telephone coin collector // Curran Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 1835757.pdf | 500 kB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1835757-A // Connecting device // Burchett George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835757-A // Connecting device // Burchett George W. // Bell Telephone Labor Inc | ||||
| PDF File 2115152.pdf | 500 kB | Shaun Ewing | Apr 26, 1938 00:00 |
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US-2115152-A // Protective and alarm system // Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Apr 26, 1938 00:00 | US-2115152-A // Protective and alarm system // Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 1882936.pdf | 499 kB | Shaun Ewing | Oct 18, 1932 00:00 |
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US-1882936-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882936-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2180334.pdf | 499 kB | Shaun Ewing | Nov 21, 1939 00:00 |
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US-2180334-A // Signaling system // Bredehoft Harold A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Nov 21, 1939 00:00 | US-2180334-A // Signaling system // Bredehoft Harold A. // Bell Telephone Labor Inc | ||||
| PDF File 2096460.pdf | 499 kB | Shaun Ewing | Oct 19, 1937 00:00 |
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US-2096460-A // Space discharge apparatus // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096460-A // Space discharge apparatus // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 1921409.pdf | 499 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1921409-A // Telephone system // Hinrichsen Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921409-A // Telephone system // Hinrichsen Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2212836.pdf | 499 kB | Shaun Ewing | Aug 27, 1940 00:00 |
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US-2212836-A // Condenser dielectric // Kohman Girard T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Aug 27, 1940 00:00 | US-2212836-A // Condenser dielectric // Kohman Girard T. // Bell Telephone Labor Inc | ||||
| PDF File 2058602.pdf | 499 kB | Shaun Ewing | Oct 27, 1936 00:00 |
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US-2058602-A // Coin gauging apparatus // Kuhn John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Oct 27, 1936 00:00 | US-2058602-A // Coin gauging apparatus // Kuhn John J. // Bell Telephone Labor Inc | ||||
| PDF File 1925659.pdf | 499 kB | Shaun Ewing | Sept 05, 1933 00:00 |
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US-1925659-A // Acoustic device // Giles Leonard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Sept 05, 1933 00:00 | US-1925659-A // Acoustic device // Giles Leonard W. // Bell Telephone Labor Inc | ||||
| PDF File 2008287.pdf | 499 kB | Shaun Ewing | Jul 16, 1935 00:00 |
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US-2008287-A // Telephone substation apparatus // Lum George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Jul 16, 1935 00:00 | US-2008287-A // Telephone substation apparatus // Lum George R. // Bell Telephone Labor Inc | ||||
| PDF File 2132214.pdf | 499 kB | Shaun Ewing | Oct 04, 1938 00:00 |
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US-2132214-A // Measuring system // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Oct 04, 1938 00:00 | US-2132214-A // Measuring system // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 1905792.pdf | 498 kB | Shaun Ewing | Apr 25, 1933 00:00 |
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US-1905792-A // Transmission system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Apr 25, 1933 00:00 | US-1905792-A // Transmission system // Bruce Edmond // Bell Telephone Labor Inc |
