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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2493842.pdf | 672 kB | Shaun Ewing | Jan 10, 1950 00:00 |
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US-2493842-A // Wave guide with phase compensating paired bends // Tyrrell Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 672 kB | Shaun Ewing | Jan 10, 1950 00:00 | US-2493842-A // Wave guide with phase compensating paired bends // Tyrrell Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2493819.pdf | 782 kB | Shaun Ewing | Jan 10, 1950 00:00 |
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US-2493819-A // Stabilized feed-back condenser microphone // Harry William R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 782 kB | Shaun Ewing | Jan 10, 1950 00:00 | US-2493819-A // Stabilized feed-back condenser microphone // Harry William R. // Bell Telephone Labor Inc | ||||
| PDF File 2493800.pdf | 1.28 MB | Shaun Ewing | Jan 10, 1950 00:00 |
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US-2493800-A // Location of faults in electrical transmission systems // Biskeborn Merie C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Jan 10, 1950 00:00 | US-2493800-A // Location of faults in electrical transmission systems // Biskeborn Merie C. // Bell Telephone Labor Inc | ||||
| PDF File 2493183.pdf | 3.03 MB | Shaun Ewing | Jan 03, 1950 00:00 |
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US-2493183-A // Artillery director // Boghosian William H. ; Darlington Sidney ; Och Henry G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.03 MB | Shaun Ewing | Jan 03, 1950 00:00 | US-2493183-A // Artillery director // Boghosian William H. ; Darlington Sidney ; Och Henry G. // Bell Telephone Labor Inc | ||||
| PDF File 2493064.pdf | 736 kB | Shaun Ewing | Jan 03, 1950 00:00 |
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US-2493064-A // Motor-control circuit // Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Jan 03, 1950 00:00 | US-2493064-A // Motor-control circuit // Germanton Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2493060.pdf | 473 kB | Shaun Ewing | Jan 03, 1950 00:00 |
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US-2493060-A // Electrical control device // Daschke Arthur W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 473 kB | Shaun Ewing | Jan 03, 1950 00:00 | US-2493060-A // Electrical control device // Daschke Arthur W. // Bell Telephone Labor Inc | ||||
| PDF File 2492951.pdf | 715 kB | Shaun Ewing | Jan 03, 1950 00:00 |
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US-2492951-A // Antenna system // Baker George H. ; Crump Elmo E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Jan 03, 1950 00:00 | US-2492951-A // Antenna system // Baker George H. ; Crump Elmo E. // Bell Telephone Labor Inc | ||||
| PDF File 2492371.pdf | 586 kB | Shaun Ewing | Dec 27, 1949 00:00 |
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US-2492371-A // Apparatus for measuring air velocity // Sivian Leon J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Dec 27, 1949 00:00 | US-2492371-A // Apparatus for measuring air velocity // Sivian Leon J. // Bell Telephone Labor Inc | ||||
| PDF File 2492356.pdf | 1.05 MB | Shaun Ewing | Dec 27, 1949 00:00 |
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US-2492356-A // Radio object locating training device with error indication // Cesareo Orfeo // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Dec 27, 1949 00:00 | US-2492356-A // Radio object locating training device with error indication // Cesareo Orfeo // Bell Telephone Labor Inc | ||||
| PDF File 2492351.pdf | 671 kB | Shaun Ewing | Dec 27, 1949 00:00 |
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US-2492351-A // Smoothing network // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 671 kB | Shaun Ewing | Dec 27, 1949 00:00 | US-2492351-A // Smoothing network // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 2492062.pdf | 604 kB | Shaun Ewing | Dec 20, 1949 00:00 |
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US-2492062-A // Device for portrayal of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 604 kB | Shaun Ewing | Dec 20, 1949 00:00 | US-2492062-A // Device for portrayal of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2491668.pdf | 2.33 MB | Shaun Ewing | Dec 20, 1949 00:00 |
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US-2491668-A // Ground trainer for training aircraft crew members // Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.33 MB | Shaun Ewing | Dec 20, 1949 00:00 | US-2491668-A // Ground trainer for training aircraft crew members // Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2491662.pdf | 521 kB | Shaun Ewing | Dec 20, 1949 00:00 |
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US-2491662-A // Attenuator // Houghton Edward W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 521 kB | Shaun Ewing | Dec 20, 1949 00:00 | US-2491662-A // Attenuator // Houghton Edward W. // Bell Telephone Labor Inc | ||||
| PDF File 2491644.pdf | 376 kB | Shaun Ewing | Dec 20, 1949 00:00 |
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US-2491644-A // Attenuator // Carlson Carl P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 376 kB | Shaun Ewing | Dec 20, 1949 00:00 | US-2491644-A // Attenuator // Carlson Carl P. // Bell Telephone Labor Inc | ||||
| PDF File 2491377.pdf | 2.36 MB | Shaun Ewing | Dec 13, 1949 00:00 |
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US-2491377-A // Connector control system // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.36 MB | Shaun Ewing | Dec 13, 1949 00:00 | US-2491377-A // Connector control system // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2491370.pdf | 407 kB | Shaun Ewing | Dec 13, 1949 00:00 |
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US-2491370-A // Explosion-proof vent plug for storage batteries // Forster Frank T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 407 kB | Shaun Ewing | Dec 13, 1949 00:00 | US-2491370-A // Explosion-proof vent plug for storage batteries // Forster Frank T. // Bell Telephone Labor Inc | ||||
| PDF File 2491364.pdf | 237 kB | Shaun Ewing | Dec 13, 1949 00:00 |
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US-2491364-A // Universal coupling // Earl William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 237 kB | Shaun Ewing | Dec 13, 1949 00:00 | US-2491364-A // Universal coupling // Earl William // Bell Telephone Labor Inc | ||||
| PDF File 2491284.pdf | 887 kB | Shaun Ewing | Dec 13, 1949 00:00 |
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US-2491284-A // Electrode for electron discharge devices and method of making the same // Sears Raymond W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Dec 13, 1949 00:00 | US-2491284-A // Electrode for electron discharge devices and method of making the same // Sears Raymond W. // Bell Telephone Labor Inc | ||||
| PDF File 2491276.pdf | 573 kB | Shaun Ewing | Dec 13, 1949 00:00 |
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US-2491276-A // Radio transmission control // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Dec 13, 1949 00:00 | US-2491276-A // Radio transmission control // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2491272.pdf | 359 kB | Shaun Ewing | Dec 13, 1949 00:00 |
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US-2491272-A // Protective device for relay contacts // Knapp Harry M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Dec 13, 1949 00:00 | US-2491272-A // Protective device for relay contacts // Knapp Harry M. // Bell Telephone Labor Inc |
