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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2304029.pdf | 486 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2304029-A // Ventilating system for telephone booths // Smith Albert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2304029-A // Ventilating system for telephone booths // Smith Albert K. // Bell Telephone Labor Inc | ||||
| PDF File 2329111.pdf | 486 kB | Shaun Ewing | Sept 07, 1943 00:00 |
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US-2329111-A // Alternating current generator // Dunlap Kermit S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Sept 07, 1943 00:00 | US-2329111-A // Alternating current generator // Dunlap Kermit S. // Bell Telephone Labor Inc | ||||
| PDF File 2271685.pdf | 485 kB | Shaun Ewing | Feb 03, 1942 00:00 |
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US-2271685-A // Gaseous glow discharge device // Ekstrand Sture O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 485 kB | Shaun Ewing | Feb 03, 1942 00:00 | US-2271685-A // Gaseous glow discharge device // Ekstrand Sture O. // Bell Telephone Labor Inc | ||||
| PDF File 2279319.pdf | 484 kB | Shaun Ewing | Apr 14, 1942 00:00 |
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US-2279319-A // Electric wave circuit // Honaman Richard K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 484 kB | Shaun Ewing | Apr 14, 1942 00:00 | US-2279319-A // Electric wave circuit // Honaman Richard K. // Bell Telephone Labor Inc | ||||
| PDF File 2242324.pdf | 482 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242324-A // Testing device // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 482 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242324-A // Testing device // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2249599.pdf | 482 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249599-A // Electrical contact device // Burns Robert M. ; Tolman Edward M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249599-A // Electrical contact device // Burns Robert M. ; Tolman Edward M. // Bell Telephone Labor Inc | ||||
| PDF File 2309945.pdf | 482 kB | Shaun Ewing | Feb 02, 1943 00:00 |
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US-2309945-A // Polarized relay // Garvin John S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Feb 02, 1943 00:00 | US-2309945-A // Polarized relay // Garvin John S. // Bell Telephone Labor Inc | ||||
| PDF File 2349214.pdf | 481 kB | Shaun Ewing | May 16, 1944 00:00 |
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US-2349214-A // Coin operated device // Vieth Leonard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 481 kB | Shaun Ewing | May 16, 1944 00:00 | US-2349214-A // Coin operated device // Vieth Leonard // Bell Telephone Labor Inc | ||||
| PDF File 2265292.pdf | 480 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265292-A // Method and apparatus for testing telephone transmitters // Krebs Luther E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265292-A // Method and apparatus for testing telephone transmitters // Krebs Luther E. // Bell Telephone Labor Inc | ||||
| PDF File 2235648.pdf | 478 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235648-A // Telephone coin collector // Shann Oscar A. ; Smith Albert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235648-A // Telephone coin collector // Shann Oscar A. ; Smith Albert K. // Bell Telephone Labor Inc | ||||
| PDF File 2259661.pdf | 477 kB | Shaun Ewing | Oct 21, 1941 00:00 |
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US-2259661-A // Electrical switch // Pollard Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 477 kB | Shaun Ewing | Oct 21, 1941 00:00 | US-2259661-A // Electrical switch // Pollard Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2328422.pdf | 476 kB | Shaun Ewing | Aug 31, 1943 00:00 |
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US-2328422-A // Method for coating bodies with carbon // Christensen Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 476 kB | Shaun Ewing | Aug 31, 1943 00:00 | US-2328422-A // Method for coating bodies with carbon // Christensen Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2276660.pdf | 475 kB | Shaun Ewing | Mar 17, 1942 00:00 |
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US-2276660-A // Tone generator // Krom Myron E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Mar 17, 1942 00:00 | US-2276660-A // Tone generator // Krom Myron E. // Bell Telephone Labor Inc | ||||
| PDF File 2269408.pdf | 475 kB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2269408-A // Gain control circuits // Kinsburg Boris J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2269408-A // Gain control circuits // Kinsburg Boris J. // Bell Telephone Labor Inc | ||||
| PDF File 2375017.pdf | 475 kB | Shaun Ewing | May 01, 1945 00:00 |
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US-2375017-A // Electromagnetic device // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | May 01, 1945 00:00 | US-2375017-A // Electromagnetic device // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2262945.pdf | 475 kB | Shaun Ewing | Nov 18, 1941 00:00 |
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US-2262945-A // Frequency modulation receiver // Kircher Reymond J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Nov 18, 1941 00:00 | US-2262945-A // Frequency modulation receiver // Kircher Reymond J. // Bell Telephone Labor Inc | ||||
| PDF File 2275554.pdf | 474 kB | Shaun Ewing | Mar 10, 1942 00:00 |
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US-2275554-A // Switching device // Jr. Charles E. Pollard, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Mar 10, 1942 00:00 | US-2275554-A // Switching device // Jr. Charles E. Pollard, // Bell Telephone Labor Inc | ||||
| PDF File 2261879.pdf | 474 kB | Shaun Ewing | Nov 04, 1941 00:00 |
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US-2261879-A // High frequency by-pass arrangement // Higgins William H. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261879-A // High frequency by-pass arrangement // Higgins William H. C. // Bell Telephone Labor Inc | ||||
| PDF File 2254378.pdf | 472 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254378-A // Telephone system // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 472 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254378-A // Telephone system // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2235896.pdf | 472 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2235896-A // Communication cable apparatus mounting // Matthews Edgar M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 472 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2235896-A // Communication cable apparatus mounting // Matthews Edgar M. // Bell Telephone Labor Inc |
