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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2239775.pdf | 656 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2239775-A // Radio communication // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2239775-A // Radio communication // Bruce Edmond // 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 2239702.pdf | 804 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2239702-A // Synchronizing system // Cole Ira E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2239702-A // Synchronizing system // Cole Ira E. // Bell Telephone Labor Inc | ||||
| PDF File 2238601.pdf | 1.41 MB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238601-A // Telephotography // Reynolds Frederick W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238601-A // Telephotography // Reynolds Frederick W. // Bell Telephone Labor Inc | ||||
| PDF File 2238555.pdf | 4.25 MB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238555-A // Voice operated mechanism // Dudley Homer W. // Bell Telephone Laboratoraties | |||
| Version 1 (current) | 4.25 MB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238555-A // Voice operated mechanism // Dudley Homer W. // Bell Telephone Laboratoraties | ||||
| PDF File 2238469.pdf | 869 kB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238469-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 869 kB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238469-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2238142.pdf | 1.56 MB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238142-A // Teletypewriter switching system // Weaver Allan // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238142-A // Teletypewriter switching system // Weaver Allan // Bell Telephone Labor Inc | ||||
| PDF File 2238126.pdf | 3.15 MB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238126-A // Trouble recorder // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.15 MB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238126-A // Trouble recorder // Myers Oscar // 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 | ||||
| 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 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 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 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 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 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 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 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 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 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 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 |
