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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2271870.pdf | 840 kB | Shaun Ewing | Feb 03, 1942 00:00 |
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US-2271870-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 840 kB | Shaun Ewing | Feb 03, 1942 00:00 | US-2271870-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2271718.pdf | 513 kB | Shaun Ewing | Feb 03, 1942 00:00 |
|
US-2271718-A // Telephone coin collector // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Feb 03, 1942 00:00 | US-2271718-A // Telephone coin collector // Shann Oscar A. // 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 2271681.pdf | 1.24 MB | Shaun Ewing | Feb 03, 1942 00:00 |
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US-2271681-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Feb 03, 1942 00:00 | US-2271681-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | ||||
| PDF File 2271625.pdf | 1.10 MB | Shaun Ewing | Feb 03, 1942 00:00 |
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US-2271625-A // Synchronizing system // Cole Ira E. ; Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Feb 03, 1942 00:00 | US-2271625-A // Synchronizing system // Cole Ira E. ; Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2271320.pdf | 1.11 MB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2271320-A // Coin collector // Vieth Leonard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Jan 27, 1942 00:00 | US-2271320-A // Coin collector // Vieth Leonard // Bell Telephone Labor Inc | ||||
| PDF File 2271291.pdf | 2.51 MB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2271291-A // Wave translating system // Edson James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.51 MB | Shaun Ewing | Jan 27, 1942 00:00 | US-2271291-A // Wave translating system // Edson James O. // Bell Telephone Labor Inc | ||||
| PDF File 2271200.pdf | 586 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2271200-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2271200-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2271078.pdf | 1008 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2271078-A // Modulating system // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1008 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2271078-A // Modulating system // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2271072.pdf | 755 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2271072-A // Telephone system // Halligan Clair W. ; Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2271072-A // Telephone system // Halligan Clair W. ; Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2270939.pdf | 326 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2270939-A // Soundproof wall // Eckardt Helmuth // Bell Telephone Labor Inc | |||
| Version 1 (current) | 326 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2270939-A // Soundproof wall // Eckardt Helmuth // Bell Telephone Labor Inc | ||||
| PDF File 2270915.pdf | 663 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2270915-A // Special service communication system // Abbott Henry H. ; Bowne Langford J. ; Tradup Albert // Bell Telephone Labor Inc | |||
| Version 1 (current) | 663 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2270915-A // Special service communication system // Abbott Henry H. ; Bowne Langford J. ; Tradup Albert // Bell Telephone Labor Inc | ||||
| PDF File 2270906.pdf | 602 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2270906-A // Piezoelectric crystal apparatus // Mcskimin Herbert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 602 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2270906-A // Piezoelectric crystal apparatus // Mcskimin Herbert J. // Bell Telephone Labor Inc | ||||
| PDF File 2270653.pdf | 270 kB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270653-A // Indicating device // Harazim Stanley J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 270 kB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270653-A // Indicating device // Harazim Stanley J. // Bell Telephone Labor Inc | ||||
| PDF File 2270644.pdf | 802 kB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270644-A // Negative impedance circuits // Blackman Ralph B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 802 kB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270644-A // Negative impedance circuits // Blackman Ralph B. // Bell Telephone Labor Inc | ||||
| PDF File 2270638.pdf | 694 kB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270638-A // Diode oscillator // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 694 kB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270638-A // Diode oscillator // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2270364.pdf | 964 kB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270364-A // Amplification of electric waves // West Julian M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 964 kB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270364-A // Amplification of electric waves // West Julian M. // Bell Telephone Labor Inc | ||||
| PDF File 2270295.pdf | 1.02 MB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270295-A // Amplifier // Harley John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270295-A // Amplifier // Harley John B. // Bell Telephone Labor Inc | ||||
| PDF File 2270246.pdf | 2.05 MB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270246-A // Telephone system // Bascom Henry M. ; Rhodes William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.05 MB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270246-A // Telephone system // Bascom Henry M. ; Rhodes William A. // Bell Telephone Labor Inc | ||||
| PDF File 2269692.pdf | 1.79 MB | Shaun Ewing | Jan 13, 1942 00:00 |
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US-2269692-A // Alarm signaling system // Rosene Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.79 MB | Shaun Ewing | Jan 13, 1942 00:00 | US-2269692-A // Alarm signaling system // Rosene Victor E. // Bell Telephone Labor Inc |
