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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2282465.pdf | 362 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282465-A // Speech transmission system // Edwards Paul G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 362 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282465-A // Speech transmission system // Edwards Paul G. // Bell Telephone Labor Inc | ||||
| PDF File 2282464.pdf | 2.46 MB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282464-A // Speech transmission system // Edwards Paul G. ; Taylor Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.46 MB | Shaun Ewing | May 12, 1942 00:00 | US-2282464-A // Speech transmission system // Edwards Paul G. ; Taylor Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2282437.pdf | 980 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282437-A // Speech transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282437-A // Speech transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2282434.pdf | 525 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282434-A // Speech transmission system // Staples Elliot M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 525 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282434-A // Speech transmission system // Staples Elliot M. // Bell Telephone Labor Inc | ||||
| PDF File 2282394.pdf | 783 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282394-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 783 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282394-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2282392.pdf | 748 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282392-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 748 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282392-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2282369.pdf | 1.24 MB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282369-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | May 12, 1942 00:00 | US-2282369-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2281912.pdf | 1.06 MB | Shaun Ewing | May 05, 1942 00:00 |
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US-2281912-A // Two-way signaling system // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | May 05, 1942 00:00 | US-2281912-A // Two-way signaling system // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2281778.pdf | 1.36 MB | Shaun Ewing | May 05, 1942 00:00 |
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US-2281778-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | May 05, 1942 00:00 | US-2281778-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2281717.pdf | 461 kB | Shaun Ewing | May 05, 1942 00:00 |
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US-2281717-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 461 kB | Shaun Ewing | May 05, 1942 00:00 | US-2281717-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2281636.pdf | 4.30 MB | Shaun Ewing | May 05, 1942 00:00 |
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US-2281636-A // Tandem telephone system // Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.30 MB | Shaun Ewing | May 05, 1942 00:00 | US-2281636-A // Tandem telephone system // Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2281508.pdf | 842 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281508-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 842 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281508-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | ||||
| PDF File 2281461.pdf | 344 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281461-A // Temperature compensating means // Smith Kenneth D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281461-A // Temperature compensating means // Smith Kenneth D. // Bell Telephone Labor Inc | ||||
| PDF File 2281441.pdf | 536 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281441-A // Electric signaling // Jr. Arthur W. Horton, ; Mohr Milton E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281441-A // Electric signaling // Jr. Arthur W. Horton, ; Mohr Milton E. // Bell Telephone Labor Inc | ||||
| PDF File 2281396.pdf | 377 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281396-A // Relay selecting circuit // Vibbard Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 377 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281396-A // Relay selecting circuit // Vibbard Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 2281312.pdf | 824 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281312-A // Wave translation // Krist Henry K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 824 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281312-A // Wave translation // Krist Henry K. // Bell Telephone Labor Inc | ||||
| PDF File 2281255.pdf | 537 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281255-A // Telephone control circuits // Augustadt Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281255-A // Telephone control circuits // Augustadt Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 2281238.pdf | 231 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281238-A // Feedback amplifier // Greenwood Quentin E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 231 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281238-A // Feedback amplifier // Greenwood Quentin E. // Bell Telephone Labor Inc | ||||
| PDF File 2281062.pdf | 897 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281062-A // Telephone system // Brubaker James W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281062-A // Telephone system // Brubaker James W. // Bell Telephone Labor Inc | ||||
| PDF File 2281040.pdf | 861 kB | Shaun Ewing | Apr 28, 1942 00:00 |
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US-2281040-A // Thermionic relay circuit // Kalb Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 861 kB | Shaun Ewing | Apr 28, 1942 00:00 | US-2281040-A // Thermionic relay circuit // Kalb Robert M. // Bell Telephone Labor Inc |
