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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2236157.pdf | 499 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236157-A // Contact chatter measuring device // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236157-A // Contact chatter measuring device // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2377349.pdf | 499 kB | Shaun Ewing | Jun 05, 1945 00:00 |
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US-2377349-A // Vibration analyzer // Mackenzie Donald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Jun 05, 1945 00:00 | US-2377349-A // Vibration analyzer // Mackenzie Donald // Bell Telephone Labor Inc | ||||
| PDF File 2242756.pdf | 499 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242756-A // Piezoelectric device // Pope Thomas J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242756-A // Piezoelectric device // Pope Thomas J. // Bell Telephone Labor Inc | ||||
| PDF File 2259978.pdf | 498 kB | Shaun Ewing | Oct 21, 1941 00:00 |
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US-2259978-A // Condenser dielectric and method of preparing it // Mclean David A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Oct 21, 1941 00:00 | US-2259978-A // Condenser dielectric and method of preparing it // Mclean David A. // Bell Telephone Labor Inc | ||||
| PDF File 2233621.pdf | 498 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233621-A // Pole-piece assembly for telegraphones // Lovell Clarence A. ; Muller Arno H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233621-A // Pole-piece assembly for telegraphones // Lovell Clarence A. ; Muller Arno H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2332018.pdf | 497 kB | Shaun Ewing | Oct 19, 1943 00:00 |
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US-2332018-A // Coin collector // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332018-A // Coin collector // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2231374.pdf | 496 kB | Shaun Ewing | Feb 11, 1941 00:00 |
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US-2231374-A // Negative feedback amplifier // Stillwell Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Feb 11, 1941 00:00 | US-2231374-A // Negative feedback amplifier // Stillwell Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 2285565.pdf | 495 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285565-A // Directive antenna // Brucc Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285565-A // Directive antenna // Brucc Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2278436.pdf | 495 kB | Shaun Ewing | Apr 07, 1942 00:00 |
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US-2278436-A // Telephone coin collector // Friend Otto A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Apr 07, 1942 00:00 | US-2278436-A // Telephone coin collector // Friend Otto A. // Bell Telephone Labor Inc | ||||
| PDF File 2327791.pdf | 494 kB | Shaun Ewing | Aug 24, 1943 00:00 |
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US-2327791-A // Time delay apparatus // Hopper Andrew L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 494 kB | Shaun Ewing | Aug 24, 1943 00:00 | US-2327791-A // Time delay apparatus // Hopper Andrew L. // Bell Telephone Labor Inc | ||||
| PDF File 2307521.pdf | 493 kB | Shaun Ewing | Jan 05, 1943 00:00 |
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US-2307521-A // Call transmitter // Lovell Clarence A. ; Mallina Rudolph F. ; Vieth Leonard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Jan 05, 1943 00:00 | US-2307521-A // Call transmitter // Lovell Clarence A. ; Mallina Rudolph F. ; Vieth Leonard // Bell Telephone Labor Inc | ||||
| PDF File 2246534.pdf | 493 kB | Shaun Ewing | Jun 24, 1941 00:00 |
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US-2246534-A // Alternating current wave production // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Jun 24, 1941 00:00 | US-2246534-A // Alternating current wave production // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2245391.pdf | 493 kB | Shaun Ewing | Jun 10, 1941 00:00 |
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US-2245391-A // Polarized relay // Jr. Emil Dickten, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Jun 10, 1941 00:00 | US-2245391-A // Polarized relay // Jr. Emil Dickten, // Bell Telephone Labor Inc | ||||
| PDF File 2272452.pdf | 492 kB | Shaun Ewing | Feb 10, 1942 00:00 |
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US-2272452-A // Transformer // Whittle Horace // Bell Telephone Labor Inc | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Feb 10, 1942 00:00 | US-2272452-A // Transformer // Whittle Horace // Bell Telephone Labor Inc | ||||
| PDF File 2302537.pdf | 491 kB | Shaun Ewing | Nov 17, 1942 00:00 |
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US-2302537-A // Relay // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302537-A // Relay // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2327715.pdf | 491 kB | Shaun Ewing | Aug 24, 1943 00:00 |
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US-2327715-A // Punch device // Ingerson William E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Aug 24, 1943 00:00 | US-2327715-A // Punch device // Ingerson William E. // Bell Telephone Labor Inc | ||||
| PDF File 2276665.pdf | 490 kB | Shaun Ewing | Mar 17, 1942 00:00 |
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US-2276665-A // Pulse regenerator // Mcdavitt Marcellus B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Mar 17, 1942 00:00 | US-2276665-A // Pulse regenerator // Mcdavitt Marcellus B. // Bell Telephone Labor Inc | ||||
| PDF File 2364444.pdf | 487 kB | Shaun Ewing | Dec 05, 1944 00:00 |
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US-2364444-A // Timing mechanism // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Dec 05, 1944 00:00 | US-2364444-A // Timing mechanism // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2244700.pdf | 487 kB | Shaun Ewing | Jun 10, 1941 00:00 |
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US-2244700-A // Telephone system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Jun 10, 1941 00:00 | US-2244700-A // Telephone system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | ||||
| PDF File 2300320.pdf | 487 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300320-A // Device for reproducing tone frequencies // Jr. Karl D. Swartzel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300320-A // Device for reproducing tone frequencies // Jr. Karl D. Swartzel, // Bell Telephone Labor Inc |
