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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2236684.pdf | 220 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236684-A // Inductive device // Hagemann Edwin C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 220 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236684-A // Inductive device // Hagemann Edwin C. // 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 2236856.pdf | 635 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236856-A // Modulating system // Penick Dixon B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 635 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236856-A // Modulating system // Penick Dixon B. // Bell Telephone Labor Inc | ||||
| PDF File 2236893.pdf | 1013 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236893-A // Radiant energy distance determining system // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1013 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236893-A // Radiant energy distance determining system // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2236973.pdf | 712 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236973-A // Telephone substation apparatus // King Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 712 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236973-A // Telephone substation apparatus // King Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 2236977.pdf | 988 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2236977-A // Testing of electronic discharge devices // Shower Edmund G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2236977-A // Testing of electronic discharge devices // Shower Edmund G. // Bell Telephone Labor Inc | ||||
| PDF File 2237135.pdf | 406 kB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2237135-A // Relaxation oscillator // Depp Wallace A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 406 kB | Shaun Ewing | Apr 01, 1941 00:00 | US-2237135-A // Relaxation oscillator // Depp Wallace A. // Bell Telephone Labor Inc | ||||
| PDF File 2237154.pdf | 4.83 MB | Shaun Ewing | Apr 01, 1941 00:00 |
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US-2237154-A // Telegraph exchange system // Locke George A. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.83 MB | Shaun Ewing | Apr 01, 1941 00:00 | US-2237154-A // Telegraph exchange system // Locke George A. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2237323.pdf | 392 kB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237323-A // Resistance device // West John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 392 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237323-A // Resistance device // West John W. // 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 2237413.pdf | 757 kB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237413-A // Telephone system // Clark John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 757 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237413-A // Telephone system // Clark John W. // Bell Telephone Labor Inc | ||||
| PDF File 2237419.pdf | 909 kB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237419-A // Telephone system // Ferrell Enoch B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 909 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237419-A // Telephone system // Ferrell Enoch B. // Bell Telephone Labor Inc | ||||
| PDF File 2237742.pdf | 5.36 MB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237742-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.36 MB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237742-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | ||||
| PDF File 2237752.pdf | 685 kB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237752-A // Headset // Clarke Harry R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237752-A // Headset // Clarke Harry R. // Bell Telephone Labor Inc | ||||
| PDF File 2237767.pdf | 1.37 MB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237767-A // Registering system // Schott Lionel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237767-A // Registering system // Schott Lionel // 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 2237906.pdf | 2.51 MB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237906-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.51 MB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237906-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 2237929.pdf | 1.38 MB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237929-A // Automatic balancing system // Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237929-A // Automatic balancing system // Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2238028.pdf | 1.36 MB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238028-A // Telegrad // Barney Harold L. ; Berger Uriah S. ; Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238028-A // Telegrad // Barney Harold L. ; Berger Uriah S. ; Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2238070.pdf | 426 kB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238070-A // Broadcast switching system // Murphy Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 426 kB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238070-A // Broadcast switching system // Murphy Paul B. // Bell Telephone Labor Inc |
