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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2594505.pdf | 3.02 MB | Shaun Ewing | Apr 29, 1952 00:00 |
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US-2594505-A // Calling line identification and registering system // Seudder Frederick J. ; Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.02 MB | Shaun Ewing | Apr 29, 1952 00:00 | US-2594505-A // Calling line identification and registering system // Seudder Frederick J. ; Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2616625.pdf | 2.99 MB | Shaun Ewing | Nov 04, 1952 00:00 |
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US-2616625-A // Electrical computing system // Griest Raymond H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.99 MB | Shaun Ewing | Nov 04, 1952 00:00 | US-2616625-A // Electrical computing system // Griest Raymond H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2556958.pdf | 2.97 MB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556958-A // Translator circuit // Branson David E. ; Davey James R. ; Knandel George J. ; Locke George A. ; Vanderlippe Richard A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.97 MB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556958-A // Translator circuit // Branson David E. ; Davey James R. ; Knandel George J. ; Locke George A. ; Vanderlippe Richard A. // Bell Telephone Labor Inc | ||||
| PDF File 2727092.pdf | 2.93 MB | Shaun Ewing | Dec 13, 1955 00:00 |
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US-2727092-A // Transverter // Cahill Harold D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.93 MB | Shaun Ewing | Dec 13, 1955 00:00 | US-2727092-A // Transverter // Cahill Harold D. // Bell Telephone Labor Inc | ||||
| PDF File 2572804.pdf | 2.93 MB | Shaun Ewing | Oct 23, 1951 00:00 |
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US-2572804-A // Automatic accounting device // Flint Erlon W. ; Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.93 MB | Shaun Ewing | Oct 23, 1951 00:00 | US-2572804-A // Automatic accounting device // Flint Erlon W. ; Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2550585.pdf | 2.88 MB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2550585-A // Telephone identification circuit // Murphy Richard P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.88 MB | Shaun Ewing | Apr 24, 1951 00:00 | US-2550585-A // Telephone identification circuit // Murphy Richard P. // Bell Telephone Labor Inc | ||||
| PDF File 2575363.pdf | 2.87 MB | Shaun Ewing | Nov 20, 1951 00:00 |
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US-2575363-A // Harmonic crystal oscillator // Simons Burton H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.87 MB | Shaun Ewing | Nov 20, 1951 00:00 | US-2575363-A // Harmonic crystal oscillator // Simons Burton H. // Bell Telephone Labor Inc | ||||
| PDF File 2558187.pdf | 2.86 MB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558187-A // Selective signaling generator in which coded information is recorded on a magnetizable medium // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.86 MB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558187-A // Selective signaling generator in which coded information is recorded on a magnetizable medium // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2680162.pdf | 2.79 MB | Shaun Ewing | Jun 01, 1954 00:00 |
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US-2680162-A // Automatic line testing and switching circuit // Brehm Harold B. ; Kinzer John P. ; Smith Aubrey A. ; Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.79 MB | Shaun Ewing | Jun 01, 1954 00:00 | US-2680162-A // Automatic line testing and switching circuit // Brehm Harold B. ; Kinzer John P. ; Smith Aubrey A. ; Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2657266.pdf | 2.78 MB | Shaun Ewing | Oct 27, 1953 00:00 |
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US-2657266-A // Automatic multichannel selection // Hoth Daniel F. ; Soffel Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.78 MB | Shaun Ewing | Oct 27, 1953 00:00 | US-2657266-A // Automatic multichannel selection // Hoth Daniel F. ; Soffel Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2538266.pdf | 2.76 MB | Shaun Ewing | Jan 16, 1951 00:00 |
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US-2538266-A // Communication system employing pulse code modulation // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.76 MB | Shaun Ewing | Jan 16, 1951 00:00 | US-2538266-A // Communication system employing pulse code modulation // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2591579.pdf | 2.73 MB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2591579-A // Permanent-signal indicating system // Michal Joseph // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.73 MB | Shaun Ewing | Apr 01, 1952 00:00 | US-2591579-A // Permanent-signal indicating system // Michal Joseph // Bell Telephone Labor Inc | ||||
| PDF File 2636159.pdf | 2.72 MB | Shaun Ewing | Apr 21, 1953 00:00 |
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US-2636159-A // Pulse code modulation communication system // Carbrey Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.72 MB | Shaun Ewing | Apr 21, 1953 00:00 | US-2636159-A // Pulse code modulation communication system // Carbrey Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2580757.pdf | 2.70 MB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580757-A // Alarm sending circuit // Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.70 MB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580757-A // Alarm sending circuit // Germanton Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2622127.pdf | 2.69 MB | Shaun Ewing | Dec 16, 1952 00:00 |
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US-2622127-A // Indicating apparatus // Alsberg Dietrich A. ; Muhlsteff Robert P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.69 MB | Shaun Ewing | Dec 16, 1952 00:00 | US-2622127-A // Indicating apparatus // Alsberg Dietrich A. ; Muhlsteff Robert P. // Bell Telephone Labor Inc | ||||
| PDF File 2672512.pdf | 2.67 MB | Shaun Ewing | Mar 16, 1954 00:00 |
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US-2672512-A // System for analyzing and synthesizing speech // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.67 MB | Shaun Ewing | Mar 16, 1954 00:00 | US-2672512-A // System for analyzing and synthesizing speech // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2608616.pdf | 2.67 MB | Shaun Ewing | Aug 26, 1952 00:00 |
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US-2608616-A // Facsimile system // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.67 MB | Shaun Ewing | Aug 26, 1952 00:00 | US-2608616-A // Facsimile system // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2679551.pdf | 2.66 MB | Shaun Ewing | May 25, 1954 00:00 |
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US-2679551-A // Capacitative commutator // Newby Neal D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.66 MB | Shaun Ewing | May 25, 1954 00:00 | US-2679551-A // Capacitative commutator // Newby Neal D. // Bell Telephone Labor Inc | ||||
| PDF File 2672604.pdf | 2.60 MB | Shaun Ewing | Mar 16, 1954 00:00 |
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US-2672604-A // Telephone ringing power plant // Mills John K. ; Ross Walter S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.60 MB | Shaun Ewing | Mar 16, 1954 00:00 | US-2672604-A // Telephone ringing power plant // Mills John K. ; Ross Walter S. // Bell Telephone Labor Inc | ||||
| PDF File 2657268.pdf | 2.58 MB | Shaun Ewing | Oct 27, 1953 00:00 |
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US-2657268-A // System for automatically ticketing telephone calls // Retallack John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.58 MB | Shaun Ewing | Oct 27, 1953 00:00 | US-2657268-A // System for automatically ticketing telephone calls // Retallack John B. // Bell Telephone Labor Inc |