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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2323657.pdf | 907 kB | Shaun Ewing | Jul 06, 1943 00:00 |
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US-2323657-A // Coin disposal unit // Henning Harley A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 907 kB | Shaun Ewing | Jul 06, 1943 00:00 | US-2323657-A // Coin disposal unit // Henning Harley A. // Bell Telephone Labor Inc | ||||
| PDF File 2267450.pdf | 907 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267450-A // Electron discharge device // Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 907 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267450-A // Electron discharge device // Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2229108.pdf | 906 kB | Shaun Ewing | Jan 21, 1941 00:00 |
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US-2229108-A // Switching of spare repeater sections // Maggio John B. ; Tassel Earl K. Van ; Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Jan 21, 1941 00:00 | US-2229108-A // Switching of spare repeater sections // Maggio John B. ; Tassel Earl K. Van ; Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2227580.pdf | 905 kB | Shaun Ewing | Jan 07, 1941 00:00 |
|
US-2227580-A // Acoustic device // Harry William R. ; Marshall Robert N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 905 kB | Shaun Ewing | Jan 07, 1941 00:00 | US-2227580-A // Acoustic device // Harry William R. ; Marshall Robert N. // Bell Telephone Labor Inc | ||||
| PDF File 2299854.pdf | 905 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2299854-A // Telephone coin collector // Smith Albert K. ; Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 905 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2299854-A // Telephone coin collector // Smith Albert K. ; Smythe Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2283366.pdf | 904 kB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283366-A // Relay // Hickman Clarence N. ; Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 904 kB | Shaun Ewing | May 19, 1942 00:00 | US-2283366-A // Relay // Hickman Clarence N. ; Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2341011.pdf | 903 kB | Shaun Ewing | Feb 08, 1944 00:00 |
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US-2341011-A // Ticket cutter // Bascom Henry M. ; Rhodes William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 903 kB | Shaun Ewing | Feb 08, 1944 00:00 | US-2341011-A // Ticket cutter // Bascom Henry M. ; Rhodes William A. // Bell Telephone Labor Inc | ||||
| PDF File 2268984.pdf | 901 kB | Shaun Ewing | Jan 06, 1942 00:00 |
|
US-2268984-A // Busy line recorder // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 901 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2268984-A // Busy line recorder // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2259317.pdf | 901 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2259317-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 901 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2259317-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2267286.pdf | 900 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267286-A // Negative feedback amplifier // Meyers Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 900 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267286-A // Negative feedback amplifier // Meyers Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 2236172.pdf | 900 kB | Shaun Ewing | Mar 25, 1941 00:00 |
|
US-2236172-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 900 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236172-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2309953.pdf | 899 kB | Shaun Ewing | Feb 02, 1943 00:00 |
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US-2309953-A // Electric switch // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 899 kB | Shaun Ewing | Feb 02, 1943 00:00 | US-2309953-A // Electric switch // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2250172.pdf | 898 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250172-A // Electrical wave amplification // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 898 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250172-A // Electrical wave amplification // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2298695.pdf | 898 kB | Shaun Ewing | Oct 13, 1942 00:00 |
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US-2298695-A // Selecting system // Hall Nathan I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 898 kB | Shaun Ewing | Oct 13, 1942 00:00 | US-2298695-A // Selecting system // Hall Nathan I. // Bell Telephone Labor Inc | ||||
| PDF File 2281062.pdf | 897 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281062-A // Telephone system // Brubaker James W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281062-A // Telephone system // Brubaker James W. // Bell Telephone Labor Inc | ||||
| PDF File 2231962.pdf | 897 kB | Shaun Ewing | Feb 18, 1941 00:00 |
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US-2231962-A // Means for suspending aerial cables // John Everett St. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Feb 18, 1941 00:00 | US-2231962-A // Means for suspending aerial cables // John Everett St. // Bell Telephone Labor Inc | ||||
| PDF File 2288695.pdf | 896 kB | Shaun Ewing | Jul 07, 1942 00:00 |
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US-2288695-A // Electrical insulated conductor // Fulier Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 896 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2288695-A // Electrical insulated conductor // Fulier Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2276037.pdf | 896 kB | Shaun Ewing | Mar 10, 1942 00:00 |
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US-2276037-A // Telephone system // Hecht George ; Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 896 kB | Shaun Ewing | Mar 10, 1942 00:00 | US-2276037-A // Telephone system // Hecht George ; Lundstrom Alexis A. // Bell Telephone Labor Inc | ||||
| PDF File 2235010.pdf | 895 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235010-A // Ultra-short wave transmitting and receiving system // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 895 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235010-A // Ultra-short wave transmitting and receiving system // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2361719.pdf | 895 kB | Shaun Ewing | Oct 31, 1944 00:00 |
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US-2361719-A // Electron discharge device and elements thereof // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 895 kB | Shaun Ewing | Oct 31, 1944 00:00 | US-2361719-A // Electron discharge device and elements thereof // Teal Gordon K. // Bell Telephone Labor Inc |