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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2247214.pdf | 439 kB | Shaun Ewing | Jun 24, 1941 00:00 |
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US-2247214-A // Oscillograph apparatus // Wagar Harold N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 439 kB | Shaun Ewing | Jun 24, 1941 00:00 | US-2247214-A // Oscillograph apparatus // Wagar Harold N. // Bell Telephone Labor Inc | ||||
| PDF File 2337883.pdf | 438 kB | Shaun Ewing | Dec 28, 1943 00:00 |
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US-2337883-A // Pneumatic ticket receiving valve // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 438 kB | Shaun Ewing | Dec 28, 1943 00:00 | US-2337883-A // Pneumatic ticket receiving valve // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2371968.pdf | 438 kB | Shaun Ewing | Mar 20, 1945 00:00 |
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US-2371968-A // Telephone booth // Lum George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 438 kB | Shaun Ewing | Mar 20, 1945 00:00 | US-2371968-A // Telephone booth // Lum George R. // Bell Telephone Labor Inc | ||||
| PDF File 2237899.pdf | 437 kB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237899-A // Speech wave detecting circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237899-A // Speech wave detecting circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2327275.pdf | 437 kB | Shaun Ewing | Aug 17, 1943 00:00 |
|
US-2327275-A // Signaling system // Lewis Benjamin F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Aug 17, 1943 00:00 | US-2327275-A // Signaling system // Lewis Benjamin F. // Bell Telephone Labor Inc | ||||
| PDF File 2289951.pdf | 437 kB | Shaun Ewing | Jul 14, 1942 00:00 |
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US-2289951-A // Electron apparatus // Yeutter Clyde S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289951-A // Electron apparatus // Yeutter Clyde S. // Bell Telephone Labor Inc | ||||
| PDF File 2339210.pdf | 436 kB | Shaun Ewing | Jan 11, 1944 00:00 |
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US-2339210-A // Screw driver type tool // Volz Arthur H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2339210-A // Screw driver type tool // Volz Arthur H. // Bell Telephone Labor Inc | ||||
| PDF File 2246576.pdf | 435 kB | Shaun Ewing | Jun 24, 1941 00:00 |
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US-2246576-A // Machine ringing system // Darrow Wirt E. ; Peterson George H. ; Yost Lloyd A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Jun 24, 1941 00:00 | US-2246576-A // Machine ringing system // Darrow Wirt E. ; Peterson George H. ; Yost Lloyd A. // Bell Telephone Labor Inc | ||||
| PDF File 2287170.pdf | 435 kB | Shaun Ewing | Jun 23, 1942 00:00 |
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US-2287170-A // Inductance device // Ganz Albert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287170-A // Inductance device // Ganz Albert G. // Bell Telephone Labor Inc | ||||
| PDF File 2355795.pdf | 435 kB | Shaun Ewing | Aug 15, 1944 00:00 |
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US-2355795-A // Electrode system // Glass Myron S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Aug 15, 1944 00:00 | US-2355795-A // Electrode system // Glass Myron S. // Bell Telephone Labor Inc | ||||
| PDF File 2274535.pdf | 435 kB | Shaun Ewing | Feb 24, 1942 00:00 |
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US-2274535-A // Carrier wave system // Dixon John T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Feb 24, 1942 00:00 | US-2274535-A // Carrier wave system // Dixon John T. // Bell Telephone Labor Inc | ||||
| PDF File 2387584.pdf | 433 kB | Shaun Ewing | Oct 23, 1945 00:00 |
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US-2387584-A // Card and picture frame // Hose Robert H. ; Niles Eliot W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Oct 23, 1945 00:00 | US-2387584-A // Card and picture frame // Hose Robert H. ; Niles Eliot W. // Bell Telephone Labor Inc | ||||
| PDF File 2370221.pdf | 433 kB | Shaun Ewing | Feb 27, 1945 00:00 |
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US-2370221-A // Electric wave circuits // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Feb 27, 1945 00:00 | US-2370221-A // Electric wave circuits // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2379987.pdf | 433 kB | Shaun Ewing | Jul 10, 1945 00:00 |
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US-2379987-A // Switchboard system // Porter Leslie F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Jul 10, 1945 00:00 | US-2379987-A // Switchboard system // Porter Leslie F. // Bell Telephone Labor Inc | ||||
| PDF File 2294923.pdf | 433 kB | Shaun Ewing | Sept 08, 1942 00:00 |
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US-2294923-A // Electric clock system // Massonneau Robert F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Sept 08, 1942 00:00 | US-2294923-A // Electric clock system // Massonneau Robert F. // Bell Telephone Labor Inc | ||||
| PDF File 2275539.pdf | 432 kB | Shaun Ewing | Mar 10, 1942 00:00 |
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US-2275539-A // Telephone call indicator // Matthews Emil C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Mar 10, 1942 00:00 | US-2275539-A // Telephone call indicator // Matthews Emil C. // Bell Telephone Labor Inc | ||||
| PDF File 2245159.pdf | 432 kB | Shaun Ewing | Jun 10, 1941 00:00 |
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US-2245159-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Jun 10, 1941 00:00 | US-2245159-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2317665.pdf | 432 kB | Shaun Ewing | Apr 27, 1943 00:00 |
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US-2317665-A // Mounting for electrical apparatus // Bredehoft Harold A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Apr 27, 1943 00:00 | US-2317665-A // Mounting for electrical apparatus // Bredehoft Harold A. // Bell Telephone Labor Inc | ||||
| PDF File 2237326.pdf | 432 kB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237326-A // Apparatus for measuring acceleration // Barry Joseph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237326-A // Apparatus for measuring acceleration // Barry Joseph F. // Bell Telephone Labor Inc | ||||
| PDF File 2356446.pdf | 432 kB | Shaun Ewing | Aug 22, 1944 00:00 |
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US-2356446-A // Amplifier circuit // Campbell Mark E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Aug 22, 1944 00:00 | US-2356446-A // Amplifier circuit // Campbell Mark E. // Bell Telephone Labor Inc |
