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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2517975.pdf | 510 kB | Shaun Ewing | Aug 08, 1950 00:00 |
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US-2517975-A // Magnetometer probe // Chapin Daryl M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Aug 08, 1950 00:00 | US-2517975-A // Magnetometer probe // Chapin Daryl M. // Bell Telephone Labor Inc | ||||
| PDF File 2443529.pdf | 509 kB | Shaun Ewing | Jun 15, 1948 00:00 |
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US-2443529-A // Directional antenna system // Aikens Andrew J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Jun 15, 1948 00:00 | US-2443529-A // Directional antenna system // Aikens Andrew J. // Bell Telephone Labor Inc | ||||
| PDF File 2503831.pdf | 508 kB | Shaun Ewing | Apr 11, 1950 00:00 |
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US-2503831-A // Fine wire delay line // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Apr 11, 1950 00:00 | US-2503831-A // Fine wire delay line // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2411531.pdf | 508 kB | Shaun Ewing | Nov 26, 1946 00:00 |
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US-2411531-A // Electro-optical control system // Engelhardt George B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Nov 26, 1946 00:00 | US-2411531-A // Electro-optical control system // Engelhardt George B. // Bell Telephone Labor Inc | ||||
| PDF File 2403996.pdf | 508 kB | Shaun Ewing | Jul 16, 1946 00:00 |
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US-2403996-A // Electron discharge apparatus // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Jul 16, 1946 00:00 | US-2403996-A // Electron discharge apparatus // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2420342.pdf | 507 kB | Shaun Ewing | May 13, 1947 00:00 |
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US-2420342-A // High frequency continuous amplifier // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | May 13, 1947 00:00 | US-2420342-A // High frequency continuous amplifier // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2532694.pdf | 507 kB | Shaun Ewing | Dec 05, 1950 00:00 |
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US-2532694-A // Telephone transmitter having frustoconical back electrode // Bryant Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | Dec 05, 1950 00:00 | US-2532694-A // Telephone transmitter having frustoconical back electrode // Bryant Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 2494721.pdf | 507 kB | Shaun Ewing | Jan 17, 1950 00:00 |
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US-2494721-A // Electron velocity variation device with noise reducing resonator // Robertson Sloan D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | Jan 17, 1950 00:00 | US-2494721-A // Electron velocity variation device with noise reducing resonator // Robertson Sloan D. // Bell Telephone Labor Inc | ||||
| PDF File 2416692.pdf | 506 kB | Shaun Ewing | Mar 04, 1947 00:00 |
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US-2416692-A // Impulse transmitter // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Mar 04, 1947 00:00 | US-2416692-A // Impulse transmitter // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2524034.pdf | 506 kB | Shaun Ewing | Oct 03, 1950 00:00 |
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US-2524034-A // Three-electrode circuit element utilizing semiconductor materials // Brattain Walter H. ; Gibney Robert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Oct 03, 1950 00:00 | US-2524034-A // Three-electrode circuit element utilizing semiconductor materials // Brattain Walter H. ; Gibney Robert B. // Bell Telephone Labor Inc | ||||
| PDF File 2521114.pdf | 506 kB | Shaun Ewing | Sept 05, 1950 00:00 |
|
US-2521114-A // Combined lock and spreader for portable rolling ladders // Campbell Thaddeus C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Sept 05, 1950 00:00 | US-2521114-A // Combined lock and spreader for portable rolling ladders // Campbell Thaddeus C. // Bell Telephone Labor Inc | ||||
| PDF File 2486712.pdf | 505 kB | Shaun Ewing | Nov 01, 1949 00:00 |
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US-2486712-A // Relay distributing circuit // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Nov 01, 1949 00:00 | US-2486712-A // Relay distributing circuit // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2408092.pdf | 505 kB | Shaun Ewing | Sept 24, 1946 00:00 |
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US-2408092-A // Wire-wound resistance and method of making same // Patterson Everett M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Sept 24, 1946 00:00 | US-2408092-A // Wire-wound resistance and method of making same // Patterson Everett M. // Bell Telephone Labor Inc | ||||
| PDF File 2475188.pdf | 504 kB | Shaun Ewing | Jul 05, 1949 00:00 |
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US-2475188-A // Sweep amplifier // Krauth Edwin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Jul 05, 1949 00:00 | US-2475188-A // Sweep amplifier // Krauth Edwin A. // Bell Telephone Labor Inc | ||||
| PDF File 2515061.pdf | 504 kB | Shaun Ewing | Jul 11, 1950 00:00 |
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US-2515061-A // Radio-frequency filter // Smith Phillip H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Jul 11, 1950 00:00 | US-2515061-A // Radio-frequency filter // Smith Phillip H. // Bell Telephone Labor Inc | ||||
| PDF File 2462245.pdf | 502 kB | Shaun Ewing | Feb 22, 1949 00:00 |
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US-2462245-A // Space discharge device // Wooten Leland A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 502 kB | Shaun Ewing | Feb 22, 1949 00:00 | US-2462245-A // Space discharge device // Wooten Leland A. // Bell Telephone Labor Inc | ||||
| PDF File 2503837.pdf | 502 kB | Shaun Ewing | Apr 11, 1950 00:00 |
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US-2503837-A // Electrical translating device // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 502 kB | Shaun Ewing | Apr 11, 1950 00:00 | US-2503837-A // Electrical translating device // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2449057.pdf | 501 kB | Shaun Ewing | Sept 14, 1948 00:00 |
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US-2449057-A // Electrical testing device // Clayden Francis W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Sept 14, 1948 00:00 | US-2449057-A // Electrical testing device // Clayden Francis W. // Bell Telephone Labor Inc | ||||
| PDF File 2443613.pdf | 500 kB | Shaun Ewing | Jun 22, 1948 00:00 |
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US-2443613-A // Polyethylene isopropylene sebacate adhesive compositions and methods and articles utilizing them // Fuller Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Jun 22, 1948 00:00 | US-2443613-A // Polyethylene isopropylene sebacate adhesive compositions and methods and articles utilizing them // Fuller Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2531242.pdf | 500 kB | Shaun Ewing | Nov 21, 1950 00:00 |
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US-2531242-A // Electrodynamic phonograph pickup // Yenzer George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Nov 21, 1950 00:00 | US-2531242-A // Electrodynamic phonograph pickup // Yenzer George R. // Bell Telephone Labor Inc |
