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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2251322.pdf | 259 kB | Shaun Ewing | Aug 05, 1941 00:00 |
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US-2251322-A // Telegraphone // Buhrendorf Frederick G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 259 kB | Shaun Ewing | Aug 05, 1941 00:00 | US-2251322-A // Telegraphone // Buhrendorf Frederick G. // Bell Telephone Labor Inc | ||||
| PDF File 2379952.pdf | 259 kB | Shaun Ewing | Jul 10, 1945 00:00 |
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US-2379952-A // Coaxial impedance element // D'Heedene Albert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 259 kB | Shaun Ewing | Jul 10, 1945 00:00 | US-2379952-A // Coaxial impedance element // D'Heedene Albert R. // Bell Telephone Labor Inc | ||||
| PDF File 2381463.pdf | 259 kB | Shaun Ewing | Aug 07, 1945 00:00 |
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US-2381463-A // Magnetic sound record // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 259 kB | Shaun Ewing | Aug 07, 1945 00:00 | US-2381463-A // Magnetic sound record // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2239771.pdf | 258 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2239771-A // Electrically conductive device and its manufacture // Becker Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 258 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2239771-A // Electrically conductive device and its manufacture // Becker Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2304061.pdf | 257 kB | Shaun Ewing | Dec 08, 1942 00:00 |
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US-2304061-A // Switching device for telephone instruments // Little John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 257 kB | Shaun Ewing | Dec 08, 1942 00:00 | US-2304061-A // Switching device for telephone instruments // Little John B. // Bell Telephone Labor Inc | ||||
| PDF File 2309537.pdf | 257 kB | Shaun Ewing | Jan 26, 1943 00:00 |
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US-2309537-A // Key action mechanism // Rienstra Albert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 257 kB | Shaun Ewing | Jan 26, 1943 00:00 | US-2309537-A // Key action mechanism // Rienstra Albert R. // Bell Telephone Labor Inc | ||||
| PDF File 2338435.pdf | 255 kB | Shaun Ewing | Jan 04, 1944 00:00 |
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US-2338435-A // Gain fixture for poles // Hoyt Leon G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 255 kB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338435-A // Gain fixture for poles // Hoyt Leon G. // Bell Telephone Labor Inc | ||||
| PDF File 2236690.pdf | 254 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236690-A // Negative impedance circuit // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236690-A // Negative impedance circuit // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2261419.pdf | 254 kB | Shaun Ewing | Nov 04, 1941 00:00 |
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US-2261419-A // Electric switch // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261419-A // Electric switch // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2308869.pdf | 252 kB | Shaun Ewing | Jan 19, 1943 00:00 |
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US-2308869-A // Acoustic wall panel // Eckardt Helmuth // Bell Telephone Labor Inc | |||
| Version 1 (current) | 252 kB | Shaun Ewing | Jan 19, 1943 00:00 | US-2308869-A // Acoustic wall panel // Eckardt Helmuth // Bell Telephone Labor Inc | ||||
| PDF File 2261553.pdf | 252 kB | Shaun Ewing | Nov 04, 1941 00:00 |
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US-2261553-A // Magnetic contact alloy // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 252 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261553-A // Magnetic contact alloy // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2303952.pdf | 251 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303952-A // Relay // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 251 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303952-A // Relay // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2358099.pdf | 251 kB | Shaun Ewing | Sept 12, 1944 00:00 |
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US-2358099-A // Tone control for transmitters // Polk Robert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 251 kB | Shaun Ewing | Sept 12, 1944 00:00 | US-2358099-A // Tone control for transmitters // Polk Robert E. // Bell Telephone Labor Inc | ||||
| PDF File 2353732.pdf | 251 kB | Shaun Ewing | Jul 18, 1944 00:00 |
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US-2353732-A // Wire connector // Kingsley Charles C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 251 kB | Shaun Ewing | Jul 18, 1944 00:00 | US-2353732-A // Wire connector // Kingsley Charles C. // Bell Telephone Labor Inc | ||||
| PDF File 2347347.pdf | 247 kB | Shaun Ewing | Apr 25, 1944 00:00 |
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US-2347347-A // Vibration translating device // Yenzer George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 247 kB | Shaun Ewing | Apr 25, 1944 00:00 | US-2347347-A // Vibration translating device // Yenzer George R. // Bell Telephone Labor Inc | ||||
| PDF File 2354699.pdf | 244 kB | Shaun Ewing | Aug 01, 1944 00:00 |
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US-2354699-A // Sound generator // Owens Emmett L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 244 kB | Shaun Ewing | Aug 01, 1944 00:00 | US-2354699-A // Sound generator // Owens Emmett L. // Bell Telephone Labor Inc | ||||
| PDF File 2251056.pdf | 244 kB | Shaun Ewing | Jul 29, 1941 00:00 |
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US-2251056-A // Dust excluding device // Irwin James R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 244 kB | Shaun Ewing | Jul 29, 1941 00:00 | US-2251056-A // Dust excluding device // Irwin James R. // Bell Telephone Labor Inc | ||||
| PDF File 2264022.pdf | 243 kB | Shaun Ewing | Nov 25, 1941 00:00 |
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US-2264022-A // Relay // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 243 kB | Shaun Ewing | Nov 25, 1941 00:00 | US-2264022-A // Relay // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2296846.pdf | 243 kB | Shaun Ewing | Sept 29, 1942 00:00 |
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US-2296846-A // Telephone calling dial // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 243 kB | Shaun Ewing | Sept 29, 1942 00:00 | US-2296846-A // Telephone calling dial // Goff Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2379042.pdf | 243 kB | Shaun Ewing | Jun 26, 1945 00:00 |
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US-2379042-A // Modulator // Shaw Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 243 kB | Shaun Ewing | Jun 26, 1945 00:00 | US-2379042-A // Modulator // Shaw Robert C. // Bell Telephone Labor Inc |
