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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2556677.pdf | 629 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556677-A // Secret communication system // Chapman Arthur G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556677-A // Secret communication system // Chapman Arthur G. // Bell Telephone Labor Inc | ||||
| PDF File 2556692.pdf | 275 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556692-A // Variable gain amplifying system // Holdaway Vivian L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 275 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556692-A // Variable gain amplifying system // Holdaway Vivian L. // Bell Telephone Labor Inc | ||||
| PDF File 2556699.pdf | 490 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556699-A // Amplifier // Lozier John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556699-A // Amplifier // Lozier John C. // Bell Telephone Labor Inc | ||||
| PDF File 2556704.pdf | 686 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556704-A // Counting circuit // Parkinson David B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 686 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556704-A // Counting circuit // Parkinson David B. // Bell Telephone Labor Inc | ||||
| PDF File 2556705.pdf | 360 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556705-A // Electrolysis switch // Pike Vernon B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 360 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556705-A // Electrolysis switch // Pike Vernon B. // Bell Telephone Labor Inc | ||||
| PDF File 2556711.pdf | 402 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556711-A // Method of producing rectifiers and rectifier material // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 402 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556711-A // Method of producing rectifiers and rectifier material // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2556716.pdf | 323 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556716-A // Relay // Viol Walter E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 323 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556716-A // Relay // Viol Walter E. // Bell Telephone Labor Inc | ||||
| PDF File 2556958.pdf | 2.97 MB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556958-A // Translator circuit // Branson David E. ; Davey James R. ; Knandel George J. ; Locke George A. ; Vanderlippe Richard A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.97 MB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556958-A // Translator circuit // Branson David E. ; Davey James R. ; Knandel George J. ; Locke George A. ; Vanderlippe Richard A. // Bell Telephone Labor Inc | ||||
| PDF File 2556964.pdf | 1.73 MB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556964-A // Ground trainer for aircraft personnel // Giroud Henry A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.73 MB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556964-A // Ground trainer for aircraft personnel // Giroud Henry A. // Bell Telephone Labor Inc | ||||
| PDF File 2556978.pdf | 753 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556978-A // Linear accelerator for charged particles // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 753 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556978-A // Linear accelerator for charged particles // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2556991.pdf | 983 kB | Shaun Ewing | Jun 12, 1951 00:00 |
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US-2556991-A // Light-sensitive electric device // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 983 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556991-A // Light-sensitive electric device // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2558187.pdf | 2.86 MB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558187-A // Selective signaling generator in which coded information is recorded on a magnetizable medium // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.86 MB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558187-A // Selective signaling generator in which coded information is recorded on a magnetizable medium // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2558188.pdf | 534 kB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558188-A // Contact actuating mechanism // Mcwilliams Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 534 kB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558188-A // Contact actuating mechanism // Mcwilliams Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2558189.pdf | 2.02 MB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558189-A // Delay indicating apparatus // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.02 MB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558189-A // Delay indicating apparatus // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2558197.pdf | 1.10 MB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558197-A // Electronic hub type telegraph repeater // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558197-A // Electronic hub type telegraph repeater // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2558476.pdf | 8.01 MB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558476-A // District assembler circuit // Carpenter Warren W. ; Gooderham John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 8.01 MB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558476-A // District assembler circuit // Carpenter Warren W. ; Gooderham John W. // Bell Telephone Labor Inc | ||||
| PDF File 2558477.pdf | 15.09 MB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558477-A // Message ticketer // Gooderham John W. ; Hague Alfred E. ; Powell Albert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 15.09 MB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558477-A // Message ticketer // Gooderham John W. ; Hague Alfred E. ; Powell Albert C. // Bell Telephone Labor Inc | ||||
| PDF File 2558537.pdf | 352 kB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558537-A // Make busy arrangement having gasfilled tube responsive only to high voltages // Busch Aloysius J. ; Williford Oscar H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558537-A // Make busy arrangement having gasfilled tube responsive only to high voltages // Busch Aloysius J. ; Williford Oscar H. // Bell Telephone Labor Inc | ||||
| PDF File 2558540.pdf | 419 kB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558540-A // Electromagnetic motor // Clos Charles // Bell Telephone Labor Inc | |||
| Version 1 (current) | 419 kB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558540-A // Electromagnetic motor // Clos Charles // Bell Telephone Labor Inc | ||||
| PDF File 2558571.pdf | 1.51 MB | Shaun Ewing | Jun 26, 1951 00:00 |
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US-2558571-A // Operator controlled coin collecting and refunding means for dial telephone systems // Lamberty Frederick R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jun 26, 1951 00:00 | US-2558571-A // Operator controlled coin collecting and refunding means for dial telephone systems // Lamberty Frederick R. // Bell Telephone Labor Inc |
