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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2590945.pdf | 493 kB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2590945-A // Trunk circuit // Curtis Robert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Apr 01, 1952 00:00 | US-2590945-A // Trunk circuit // Curtis Robert B. // Bell Telephone Labor Inc | ||||
| PDF File 2590885.pdf | 965 kB | Shaun Ewing | Apr 01, 1952 00:00 |
|
US-2590885-A // Spaced-pulse impulse sender // Parkinson David B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 965 kB | Shaun Ewing | Apr 01, 1952 00:00 | US-2590885-A // Spaced-pulse impulse sender // Parkinson David B. // Bell Telephone Labor Inc | ||||
| PDF File 2590625.pdf | 13.17 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590625-A // Sorting device // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 13.17 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590625-A // Sorting device // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2590584.pdf | 897 kB | Shaun Ewing | Mar 25, 1952 00:00 |
|
US-2590584-A // Sea-water battery // Taylor Raymond L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590584-A // Sea-water battery // Taylor Raymond L. // Bell Telephone Labor Inc | ||||
| PDF File 2590514.pdf | 360 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590514-A // Pulsing circuit // Dehn Joseph W. ; Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 360 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590514-A // Pulsing circuit // Dehn Joseph W. ; Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2590500.pdf | 994 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590500-A // Telephone ringer // Bredehoft Harold A. ; Richardson Max S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 994 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590500-A // Telephone ringer // Bredehoft Harold A. ; Richardson Max S. // Bell Telephone Labor Inc | ||||
| PDF File 2590263.pdf | 1.31 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590263-A // Electrical control apparatus // Mead Edward D. ; Mesch Orwar S. A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590263-A // Electrical control apparatus // Mead Edward D. ; Mesch Orwar S. A. // Bell Telephone Labor Inc | ||||
| PDF File 2590262.pdf | 1.42 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590262-A // Trunk frame designation transfer // Mcalpine Roderick K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.42 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590262-A // Trunk frame designation transfer // Mcalpine Roderick K. // Bell Telephone Labor Inc | ||||
| PDF File 2590248.pdf | 308 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590248-A // Voltage sensitive circuit // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 308 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590248-A // Voltage sensitive circuit // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2590234.pdf | 1.43 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590234-A // Automatic selection of receiving channels // Coxhead Harry B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590234-A // Automatic selection of receiving channels // Coxhead Harry B. // Bell Telephone Labor Inc | ||||
| PDF File 2590228.pdf | 574 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590228-A // Method of adjusting polar relays // Brown John T. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590228-A // Method of adjusting polar relays // Brown John T. L. // Bell Telephone Labor Inc | ||||
| PDF File 2589806.pdf | 1.41 MB | Shaun Ewing | Mar 18, 1952 00:00 |
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US-2589806-A // Selective signaling system // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589806-A // Selective signaling system // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2589800.pdf | 704 kB | Shaun Ewing | Mar 18, 1952 00:00 |
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US-2589800-A // Telephone signaling system // Jr. Walter D. Goodale, ; Martin William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 704 kB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589800-A // Telephone signaling system // Jr. Walter D. Goodale, ; Martin William H. // Bell Telephone Labor Inc | ||||
| PDF File 2589739.pdf | 757 kB | Shaun Ewing | Mar 18, 1952 00:00 |
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US-2589739-A // Electrical oscillator having openended coaxial resonator // Shepherd William G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 757 kB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589739-A // Electrical oscillator having openended coaxial resonator // Shepherd William G. // Bell Telephone Labor Inc | ||||
| PDF File 2589711.pdf | 523 kB | Shaun Ewing | Mar 18, 1952 00:00 |
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US-2589711-A // Off-channel squelch circuit for radio receivers // Lacy Lester Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589711-A // Off-channel squelch circuit for radio receivers // Lacy Lester Y. // Bell Telephone Labor Inc | ||||
| PDF File 2589704.pdf | 817 kB | Shaun Ewing | Mar 18, 1952 00:00 |
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US-2589704-A // Semiconductor signal translating device // Kirkpatrick William E. ; Sears Raymond W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 817 kB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589704-A // Semiconductor signal translating device // Kirkpatrick William E. ; Sears Raymond W. // Bell Telephone Labor Inc | ||||
| PDF File 2589662.pdf | 1.72 MB | Shaun Ewing | Mar 18, 1952 00:00 |
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US-2589662-A // Radiotelephone receiving system // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.72 MB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589662-A // Radiotelephone receiving system // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2589658.pdf | 1.64 MB | Shaun Ewing | Mar 18, 1952 00:00 |
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US-2589658-A // Semiconductor amplifier and electrode structures therefor // Bardeen John ; Brattain Walter H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589658-A // Semiconductor amplifier and electrode structures therefor // Bardeen John ; Brattain Walter H. // Bell Telephone Labor Inc | ||||
| PDF File 2589184.pdf | 900 kB | Shaun Ewing | Mar 11, 1952 00:00 |
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US-2589184-A // Electronic impedance equalizer // Zinn Manvel K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 900 kB | Shaun Ewing | Mar 11, 1952 00:00 | US-2589184-A // Electronic impedance equalizer // Zinn Manvel K. // Bell Telephone Labor Inc | ||||
| PDF File 2589158.pdf | 1.40 MB | Shaun Ewing | Mar 11, 1952 00:00 |
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US-2589158-A // Mobile-radio and wire system // Staples Elliot M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Mar 11, 1952 00:00 | US-2589158-A // Mobile-radio and wire system // Staples Elliot M. // Bell Telephone Labor Inc |
