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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2505040.pdf | 725 kB | Shaun Ewing | Apr 25, 1950 00:00 |
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US-2505040-A // Regenerative relay repeater // Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Apr 25, 1950 00:00 | US-2505040-A // Regenerative relay repeater // Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2465480.pdf | 724 kB | Shaun Ewing | Mar 29, 1949 00:00 |
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US-2465480-A // Antikickoff circuit for telegraph repeaters // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Mar 29, 1949 00:00 | US-2465480-A // Antikickoff circuit for telegraph repeaters // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2402663.pdf | 723 kB | Shaun Ewing | Jun 25, 1946 00:00 |
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US-2402663-A // Thermoelectric device // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Jun 25, 1946 00:00 | US-2402663-A // Thermoelectric device // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2517022.pdf | 722 kB | Shaun Ewing | Aug 01, 1950 00:00 |
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US-2517022-A // Cross-wire switch // Jr. Robert L. Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 722 kB | Shaun Ewing | Aug 01, 1950 00:00 | US-2517022-A // Cross-wire switch // Jr. Robert L. Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2426232.pdf | 722 kB | Shaun Ewing | Aug 26, 1947 00:00 |
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US-2426232-A // Distance measuring system // Newhouse Russell C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 722 kB | Shaun Ewing | Aug 26, 1947 00:00 | US-2426232-A // Distance measuring system // Newhouse Russell C. // Bell Telephone Labor Inc | ||||
| PDF File 2403985.pdf | 721 kB | Shaun Ewing | Jul 16, 1946 00:00 |
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US-2403985-A // Sound reproduction // Jr. Walter Koenig, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 721 kB | Shaun Ewing | Jul 16, 1946 00:00 | US-2403985-A // Sound reproduction // Jr. Walter Koenig, // Bell Telephone Labor Inc | ||||
| PDF File 2437268.pdf | 721 kB | Shaun Ewing | Mar 09, 1948 00:00 |
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US-2437268-A // Intermittently operating automatic frequency control // Miller Stewart E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 721 kB | Shaun Ewing | Mar 09, 1948 00:00 | US-2437268-A // Intermittently operating automatic frequency control // Miller Stewart E. // Bell Telephone Labor Inc | ||||
| PDF File 2532125.pdf | 720 kB | Shaun Ewing | Nov 28, 1950 00:00 |
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US-2532125-A // Selective station ringing system // Singer Fred J. ; Stacy Leland J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Nov 28, 1950 00:00 | US-2532125-A // Selective station ringing system // Singer Fred J. ; Stacy Leland J. // Bell Telephone Labor Inc | ||||
| PDF File 2503405.pdf | 720 kB | Shaun Ewing | Apr 11, 1950 00:00 |
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US-2503405-A // Control and indicator apparatus for rectifiers // Olmstead Noel C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Apr 11, 1950 00:00 | US-2503405-A // Control and indicator apparatus for rectifiers // Olmstead Noel C. // Bell Telephone Labor Inc | ||||
| PDF File 2486488.pdf | 716 kB | Shaun Ewing | Nov 01, 1949 00:00 |
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US-2486488-A // Ground trainer for simulating the engines and propeller vibrations of multiengined airplanes // Lukacs Joseph J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 716 kB | Shaun Ewing | Nov 01, 1949 00:00 | US-2486488-A // Ground trainer for simulating the engines and propeller vibrations of multiengined airplanes // Lukacs Joseph J. // Bell Telephone Labor Inc | ||||
| PDF File 2492951.pdf | 715 kB | Shaun Ewing | Jan 03, 1950 00:00 |
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US-2492951-A // Antenna system // Baker George H. ; Crump Elmo E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Jan 03, 1950 00:00 | US-2492951-A // Antenna system // Baker George H. ; Crump Elmo E. // Bell Telephone Labor Inc | ||||
| PDF File 2427666.pdf | 715 kB | Shaun Ewing | Sept 23, 1947 00:00 |
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US-2427666-A // Magnetic field strength indicator // Jr. Edwin P. Felch, ; Slonczewski Thaddeus // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Sept 23, 1947 00:00 | US-2427666-A // Magnetic field strength indicator // Jr. Edwin P. Felch, ; Slonczewski Thaddeus // Bell Telephone Labor Inc | ||||
| PDF File 2443534.pdf | 714 kB | Shaun Ewing | Jun 15, 1948 00:00 |
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US-2443534-A // Space discharge voltage regulation circuit // Eglin James M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Jun 15, 1948 00:00 | US-2443534-A // Space discharge voltage regulation circuit // Eglin James M. // Bell Telephone Labor Inc | ||||
| PDF File 2429651.pdf | 714 kB | Shaun Ewing | Oct 28, 1947 00:00 |
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US-2429651-A // Control system for two-phase induction motors // Tarr James E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Oct 28, 1947 00:00 | US-2429651-A // Control system for two-phase induction motors // Tarr James E. // Bell Telephone Labor Inc | ||||
| PDF File 2470825.pdf | 713 kB | Shaun Ewing | May 24, 1949 00:00 |
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US-2470825-A // Electrical contact protection network // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 713 kB | Shaun Ewing | May 24, 1949 00:00 | US-2470825-A // Electrical contact protection network // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2531624.pdf | 713 kB | Shaun Ewing | Nov 28, 1950 00:00 |
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US-2531624-A // Selective signaling system // Hanscom Clarence D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 713 kB | Shaun Ewing | Nov 28, 1950 00:00 | US-2531624-A // Selective signaling system // Hanscom Clarence D. // Bell Telephone Labor Inc | ||||
| PDF File 2509947.pdf | 711 kB | Shaun Ewing | May 30, 1950 00:00 |
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US-2509947-A // Multiunit electronic discharge device // Walsh Edward J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 711 kB | Shaun Ewing | May 30, 1950 00:00 | US-2509947-A // Multiunit electronic discharge device // Walsh Edward J. // Bell Telephone Labor Inc | ||||
| PDF File 2477047.pdf | 711 kB | Shaun Ewing | Jul 26, 1949 00:00 |
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US-2477047-A // Frequency divider circuit // Davis Kingsbury H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 711 kB | Shaun Ewing | Jul 26, 1949 00:00 | US-2477047-A // Frequency divider circuit // Davis Kingsbury H. // Bell Telephone Labor Inc | ||||
| PDF File 2528088.pdf | 710 kB | Shaun Ewing | Oct 31, 1950 00:00 |
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US-2528088-A // Electromagnetic relay // Shanck Roy B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 710 kB | Shaun Ewing | Oct 31, 1950 00:00 | US-2528088-A // Electromagnetic relay // Shanck Roy B. // Bell Telephone Labor Inc | ||||
| PDF File 2509053.pdf | 709 kB | Shaun Ewing | May 23, 1950 00:00 |
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US-2509053-A // Space current device employing mutually bombarded electrodes // Calbick Chester J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 709 kB | Shaun Ewing | May 23, 1950 00:00 | US-2509053-A // Space current device employing mutually bombarded electrodes // Calbick Chester J. // Bell Telephone Labor Inc |
