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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2444078.pdf | 4.60 MB | Shaun Ewing | Jun 29, 1948 00:00 |
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US-2444078-A // Trouble alarm system // Weaver Allan // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.60 MB | Shaun Ewing | Jun 29, 1948 00:00 | US-2444078-A // Trouble alarm system // Weaver Allan // Bell Telephone Labor Inc | ||||
| PDF File 2406023.pdf | 4.55 MB | Shaun Ewing | Aug 20, 1946 00:00 |
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US-2406023-A // Teletypewriter signal enciphering system // Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.55 MB | Shaun Ewing | Aug 20, 1946 00:00 | US-2406023-A // Teletypewriter signal enciphering system // Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2476864.pdf | 3.74 MB | Shaun Ewing | Jul 19, 1949 00:00 |
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US-2476864-A // Telegraph repeater // Hearn Richard B. ; Krecek Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.74 MB | Shaun Ewing | Jul 19, 1949 00:00 | US-2476864-A // Telegraph repeater // Hearn Richard B. ; Krecek Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2466891.pdf | 3.71 MB | Shaun Ewing | Apr 12, 1949 00:00 |
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US-2466891-A // Universal telegraph repeater // Hearn Richard B. ; Sutliff Carleton B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.71 MB | Shaun Ewing | Apr 12, 1949 00:00 | US-2466891-A // Universal telegraph repeater // Hearn Richard B. ; Sutliff Carleton B. // Bell Telephone Labor Inc | ||||
| PDF File 2471315.pdf | 3.69 MB | Shaun Ewing | May 24, 1949 00:00 |
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US-2471315-A // Aircraft trainer for aerial gunners // Dehmel Richard C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.69 MB | Shaun Ewing | May 24, 1949 00:00 | US-2471315-A // Aircraft trainer for aerial gunners // Dehmel Richard C. // Bell Telephone Labor Inc | ||||
| PDF File 2471966.pdf | 3.68 MB | Shaun Ewing | May 31, 1949 00:00 |
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US-2471966-A // Ground trainer for aircraft personnel // Lukacs Joseph J. ; Rippere Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.68 MB | Shaun Ewing | May 31, 1949 00:00 | US-2471966-A // Ground trainer for aircraft personnel // Lukacs Joseph J. ; Rippere Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2405570.pdf | 3.68 MB | Shaun Ewing | Aug 13, 1946 00:00 |
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US-2405570-A // Cryptographic telegraph system // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.68 MB | Shaun Ewing | Aug 13, 1946 00:00 | US-2405570-A // Cryptographic telegraph system // Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2421034.pdf | 3.56 MB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421034-A // Telephone system // Mckim Burton // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.56 MB | Shaun Ewing | May 27, 1947 00:00 | US-2421034-A // Telephone system // Mckim Burton // Bell Telephone Labor Inc | ||||
| PDF File 2449467.pdf | 3.56 MB | Shaun Ewing | Sept 14, 1948 00:00 |
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US-2449467-A // Communication system employing pulse code modulation // Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.56 MB | Shaun Ewing | Sept 14, 1948 00:00 | US-2449467-A // Communication system employing pulse code modulation // Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2480878.pdf | 3.34 MB | Shaun Ewing | Sept 06, 1949 00:00 |
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US-2480878-A // Telegraph signal distortion measuring apparatus and system // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.34 MB | Shaun Ewing | Sept 06, 1949 00:00 | US-2480878-A // Telegraph signal distortion measuring apparatus and system // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2441567.pdf | 3.34 MB | Shaun Ewing | May 18, 1948 00:00 |
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US-2441567-A // Variable frequency oscillator // Darlington Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.34 MB | Shaun Ewing | May 18, 1948 00:00 | US-2441567-A // Variable frequency oscillator // Darlington Sidney // Bell Telephone Labor Inc | ||||
| PDF File 2534850.pdf | 3.30 MB | Shaun Ewing | Dec 19, 1950 00:00 |
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US-2534850-A // Telephone system having preset transmitter // Bowne Langford J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.30 MB | Shaun Ewing | Dec 19, 1950 00:00 | US-2534850-A // Telephone system having preset transmitter // Bowne Langford J. // Bell Telephone Labor Inc | ||||
| PDF File 2530726.pdf | 3.29 MB | Shaun Ewing | Nov 21, 1950 00:00 |
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US-2530726-A // Cable stranding machine // Rasmussen Osvald E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.29 MB | Shaun Ewing | Nov 21, 1950 00:00 | US-2530726-A // Cable stranding machine // Rasmussen Osvald E. // Bell Telephone Labor Inc | ||||
| PDF File 2504621.pdf | 3.22 MB | Shaun Ewing | Apr 18, 1950 00:00 |
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US-2504621-A // Enciphering and deciphering device for secret telegraph systems // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.22 MB | Shaun Ewing | Apr 18, 1950 00:00 | US-2504621-A // Enciphering and deciphering device for secret telegraph systems // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2438908.pdf | 3.18 MB | Shaun Ewing | Apr 06, 1948 00:00 |
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US-2438908-A // Pulse code modulation communication system // Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.18 MB | Shaun Ewing | Apr 06, 1948 00:00 | US-2438908-A // Pulse code modulation communication system // Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2494475.pdf | 3.16 MB | Shaun Ewing | Jan 10, 1950 00:00 |
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US-2494475-A // Fringe office arrangement // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.16 MB | Shaun Ewing | Jan 10, 1950 00:00 | US-2494475-A // Fringe office arrangement // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2458030.pdf | 3.06 MB | Shaun Ewing | Jan 04, 1949 00:00 |
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US-2458030-A // Selective signaling apparatus and system // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.06 MB | Shaun Ewing | Jan 04, 1949 00:00 | US-2458030-A // Selective signaling apparatus and system // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2493183.pdf | 3.03 MB | Shaun Ewing | Jan 03, 1950 00:00 |
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US-2493183-A // Artillery director // Boghosian William H. ; Darlington Sidney ; Och Henry G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.03 MB | Shaun Ewing | Jan 03, 1950 00:00 | US-2493183-A // Artillery director // Boghosian William H. ; Darlington Sidney ; Och Henry G. // Bell Telephone Labor Inc | ||||
| PDF File 2514678.pdf | 3.02 MB | Shaun Ewing | Jul 11, 1950 00:00 |
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US-2514678-A // Wave guide system // Southworth George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.02 MB | Shaun Ewing | Jul 11, 1950 00:00 | US-2514678-A // Wave guide system // Southworth George C. // Bell Telephone Labor Inc | ||||
| PDF File 2450516.pdf | 3.02 MB | Shaun Ewing | Oct 05, 1948 00:00 |
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US-2450516-A // Telemetric data transmission system // Kinkead Rita Smith ; Phelps Walter A. ; Smith Edward M. ; Singer Fred J. ; Melhuish Lawrence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.02 MB | Shaun Ewing | Oct 05, 1948 00:00 | US-2450516-A // Telemetric data transmission system // Kinkead Rita Smith ; Phelps Walter A. ; Smith Edward M. ; Singer Fred J. ; Melhuish Lawrence E. // Bell Telephone Labor Inc |
