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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2272712.pdf | 344 kB | Shaun Ewing | Feb 10, 1942 00:00 |
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US-2272712-A // Electric wave transmission system // Johnson Kenneth S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Feb 10, 1942 00:00 | US-2272712-A // Electric wave transmission system // Johnson Kenneth S. // Bell Telephone Labor Inc | ||||
| PDF File 2272731.pdf | 788 kB | Shaun Ewing | Feb 10, 1942 00:00 |
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US-2272731-A // Electric wave system // Swart Leland K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 788 kB | Shaun Ewing | Feb 10, 1942 00:00 | US-2272731-A // Electric wave system // Swart Leland K. // Bell Telephone Labor Inc | ||||
| PDF File 2272735.pdf | 1.30 MB | Shaun Ewing | Feb 10, 1942 00:00 |
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US-2272735-A // Transmission system // Bishop Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Feb 10, 1942 00:00 | US-2272735-A // Transmission system // Bishop Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2272994.pdf | 1.16 MB | Shaun Ewing | Feb 10, 1942 00:00 |
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US-2272994-A // Piezoelectric crystal element // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Feb 10, 1942 00:00 | US-2272994-A // Piezoelectric crystal element // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2272998.pdf | 442 kB | Shaun Ewing | Feb 10, 1942 00:00 |
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US-2272998-A // Slow-operate electrical circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 442 kB | Shaun Ewing | Feb 10, 1942 00:00 | US-2272998-A // Slow-operate electrical circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2273193.pdf | 728 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273193-A // Wave transmission and shaping // Helsing Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273193-A // Wave transmission and shaping // Helsing Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2273432.pdf | 373 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273432-A // Electron discharge device circuits // Brewer Sherman T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 373 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273432-A // Electron discharge device circuits // Brewer Sherman T. // Bell Telephone Labor Inc | ||||
| PDF File 2273433.pdf | 717 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273433-A // Cathode ray tube // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 717 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273433-A // Cathode ray tube // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2273447.pdf | 357 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273447-A // Unidirective energy radiating system // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 357 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273447-A // Unidirective energy radiating system // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2273530.pdf | 975 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273530-A // Telephone set // King Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 975 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273530-A // Telephone set // King Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 2273532.pdf | 316 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273532-A // Low frequency indicator and recorder // Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273532-A // Low frequency indicator and recorder // Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2273548.pdf | 1.35 MB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273548-A // Modulator // Jr. Charles L. Weis, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273548-A // Modulator // Jr. Charles L. Weis, // Bell Telephone Labor Inc | ||||
| PDF File 2273688.pdf | 567 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273688-A // Audible signal device // Bolz Andrew L. ; Bredehoft Harold A. ; Wiebusch Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 567 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273688-A // Audible signal device // Bolz Andrew L. ; Bredehoft Harold A. ; Wiebusch Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2273704.pdf | 927 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273704-A // Electrical conducting material // Grisdale Richard O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 927 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273704-A // Electrical conducting material // Grisdale Richard O. // Bell Telephone Labor Inc | ||||
| PDF File 2273719.pdf | 522 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273719-A // Television signaling system // Jr. Laurence W. Morrison, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273719-A // Television signaling system // Jr. Laurence W. Morrison, // Bell Telephone Labor Inc | ||||
| PDF File 2273793.pdf | 818 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273793-A // Cathode ray tube // Ekstrand Sture O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 818 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273793-A // Cathode ray tube // Ekstrand Sture O. // Bell Telephone Labor Inc | ||||
| PDF File 2273945.pdf | 558 kB | Shaun Ewing | Feb 24, 1942 00:00 |
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US-2273945-A // Two-way speech transmission // Fisher Harold J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Feb 24, 1942 00:00 | US-2273945-A // Two-way speech transmission // Fisher Harold J. // Bell Telephone Labor Inc | ||||
| PDF File 2273958.pdf | 262 kB | Shaun Ewing | Feb 24, 1942 00:00 |
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US-2273958-A // Gas filled discharge device // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Feb 24, 1942 00:00 | US-2273958-A // Gas filled discharge device // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2273993.pdf | 359 kB | Shaun Ewing | Feb 24, 1942 00:00 |
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US-2273993-A // Gaseous discharge device circuit // Jr. George H. Rockwod, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Feb 24, 1942 00:00 | US-2273993-A // Gaseous discharge device circuit // Jr. George H. Rockwod, // Bell Telephone Labor Inc | ||||
| PDF File 2274013.pdf | 429 kB | Shaun Ewing | Feb 24, 1942 00:00 |
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US-2274013-A // Time delay relay // Swenson Paul W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Feb 24, 1942 00:00 | US-2274013-A // Time delay relay // Swenson Paul W. // Bell Telephone Labor Inc |
