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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2279835.pdf | 582 kB | Shaun Ewing | Apr 14, 1942 00:00 |
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US-2279835-A // Electron discharge device // Mcrae James W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Apr 14, 1942 00:00 | US-2279835-A // Electron discharge device // Mcrae James W. // Bell Telephone Labor Inc | ||||
| PDF File 2240686.pdf | 581 kB | Shaun Ewing | May 06, 1941 00:00 |
|
US-2240686-A // Fluid driven motor // Bond Walter L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 581 kB | Shaun Ewing | May 06, 1941 00:00 | US-2240686-A // Fluid driven motor // Bond Walter L. // Bell Telephone Labor Inc | ||||
| PDF File 2319937.pdf | 581 kB | Shaun Ewing | May 25, 1943 00:00 |
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US-2319937-A // Switching contact // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 581 kB | Shaun Ewing | May 25, 1943 00:00 | US-2319937-A // Switching contact // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2231365.pdf | 581 kB | Shaun Ewing | Feb 11, 1941 00:00 |
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US-2231365-A // Switching device // Matthews Emil C. ; Ritchie George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 581 kB | Shaun Ewing | Feb 11, 1941 00:00 | US-2231365-A // Switching device // Matthews Emil C. ; Ritchie George A. // Bell Telephone Labor Inc | ||||
| PDF File 2284547.pdf | 580 kB | Shaun Ewing | May 26, 1942 00:00 |
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US-2284547-A // Electrical device // West John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 580 kB | Shaun Ewing | May 26, 1942 00:00 | US-2284547-A // Electrical device // West John W. // Bell Telephone Labor Inc | ||||
| PDF File 2243399.pdf | 579 kB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243399-A // Contact operating device // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 579 kB | Shaun Ewing | May 27, 1941 00:00 | US-2243399-A // Contact operating device // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2306068.pdf | 576 kB | Shaun Ewing | Dec 22, 1942 00:00 |
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US-2306068-A // Call transmitter // Lewis Benjamin F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Dec 22, 1942 00:00 | US-2306068-A // Call transmitter // Lewis Benjamin F. // Bell Telephone Labor Inc | ||||
| PDF File 2248569.pdf | 576 kB | Shaun Ewing | Jul 08, 1941 00:00 |
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US-2248569-A // Magnetic micrometer // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Jul 08, 1941 00:00 | US-2248569-A // Magnetic micrometer // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2333140.pdf | 575 kB | Shaun Ewing | Nov 02, 1943 00:00 |
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US-2333140-A // Communication system // Allen Lawrence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 575 kB | Shaun Ewing | Nov 02, 1943 00:00 | US-2333140-A // Communication system // Allen Lawrence H. // Bell Telephone Labor Inc | ||||
| PDF File 2277423.pdf | 574 kB | Shaun Ewing | Mar 24, 1942 00:00 |
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US-2277423-A // Electron discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Mar 24, 1942 00:00 | US-2277423-A // Electron discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | ||||
| PDF File 2248250.pdf | 573 kB | Shaun Ewing | Jul 08, 1941 00:00 |
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US-2248250-A // Single side-band modulation // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Jul 08, 1941 00:00 | US-2248250-A // Single side-band modulation // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2315434.pdf | 572 kB | Shaun Ewing | Mar 30, 1943 00:00 |
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US-2315434-A // Transmission system // Leibe Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Mar 30, 1943 00:00 | US-2315434-A // Transmission system // Leibe Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2387712.pdf | 572 kB | Shaun Ewing | Oct 30, 1945 00:00 |
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US-2387712-A // Transmission system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Oct 30, 1945 00:00 | US-2387712-A // Transmission system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2311751.pdf | 571 kB | Shaun Ewing | Feb 23, 1943 00:00 |
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US-2311751-A // Telephone coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Feb 23, 1943 00:00 | US-2311751-A // Telephone coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 2318662.pdf | 570 kB | Shaun Ewing | May 11, 1943 00:00 |
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US-2318662-A // Vacuum tube amplifying apparatus // Bidwell Charles H. ; Koos Paul V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 570 kB | Shaun Ewing | May 11, 1943 00:00 | US-2318662-A // Vacuum tube amplifying apparatus // Bidwell Charles H. ; Koos Paul V. // Bell Telephone Labor Inc | ||||
| PDF File 2360233.pdf | 570 kB | Shaun Ewing | Oct 10, 1944 00:00 |
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US-2360233-A // Thermistor as amplifier for low frequency signals // Hussey Luther W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 570 kB | Shaun Ewing | Oct 10, 1944 00:00 | US-2360233-A // Thermistor as amplifier for low frequency signals // Hussey Luther W. // Bell Telephone Labor Inc | ||||
| PDF File 2351328.pdf | 569 kB | Shaun Ewing | Jun 13, 1944 00:00 |
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US-2351328-A // Air motor // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 569 kB | Shaun Ewing | Jun 13, 1944 00:00 | US-2351328-A // Air motor // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2242757.pdf | 568 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242757-A // Piezoelectric device // Romanow Frank F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 568 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242757-A // Piezoelectric device // Romanow Frank F. // Bell Telephone Labor Inc | ||||
| PDF File 2273688.pdf | 567 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273688-A // Audible signal device // Bolz Andrew L. ; Bredehoft Harold A. ; Wiebusch Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 567 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273688-A // Audible signal device // Bolz Andrew L. ; Bredehoft Harold A. ; Wiebusch Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2240142.pdf | 566 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2240142-A // Wave filter // Lovell George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2240142-A // Wave filter // Lovell George H. // Bell Telephone Labor Inc |
