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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2114035.pdf | 749 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114035-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114035-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2128411.pdf | 749 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128411-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128411-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 1788532.pdf | 748 kB | Shaun Ewing | Jan 13, 1931 00:00 |
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US-1788532-A // Electron-tube circuit // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 748 kB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788532-A // Electron-tube circuit // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 1910957.pdf | 748 kB | Shaun Ewing | May 23, 1933 00:00 |
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US-1910957-A // Reactive element having stable temperature-reactance characteristics // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 748 kB | Shaun Ewing | May 23, 1933 00:00 | US-1910957-A // Reactive element having stable temperature-reactance characteristics // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2184743.pdf | 748 kB | Shaun Ewing | Dec 26, 1939 00:00 |
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US-2184743-A // Electrooptical system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 748 kB | Shaun Ewing | Dec 26, 1939 00:00 | US-2184743-A // Electrooptical system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | ||||
| PDF File 2207355.pdf | 747 kB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2207355-A // Electron discharge device // Shockley William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207355-A // Electron discharge device // Shockley William // Bell Telephone Labor Inc | ||||
| PDF File 2073459.pdf | 747 kB | Shaun Ewing | Mar 09, 1937 00:00 |
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US-2073459-A // Temperature control system and method // Thurston George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Mar 09, 1937 00:00 | US-2073459-A // Temperature control system and method // Thurston George M. // Bell Telephone Labor Inc | ||||
| PDF File 1922059.pdf | 746 kB | Shaun Ewing | Aug 15, 1933 00:00 |
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US-1922059-A // Radio receiving system // Ohl Russeli S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 746 kB | Shaun Ewing | Aug 15, 1933 00:00 | US-1922059-A // Radio receiving system // Ohl Russeli S. // Bell Telephone Labor Inc | ||||
| PDF File 2218330.pdf | 746 kB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2218330-A // Ventilator // Ellason Oscar C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 746 kB | Shaun Ewing | Oct 15, 1940 00:00 | US-2218330-A // Ventilator // Ellason Oscar C. // Bell Telephone Labor Inc | ||||
| PDF File 1934416.pdf | 745 kB | Shaun Ewing | Nov 07, 1933 00:00 |
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US-1934416-A // Vibration translating device // Flanders Paul B. ; Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 745 kB | Shaun Ewing | Nov 07, 1933 00:00 | US-1934416-A // Vibration translating device // Flanders Paul B. ; Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2097146.pdf | 744 kB | Shaun Ewing | Oct 26, 1937 00:00 |
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US-2097146-A // Electrical power regulating apparatus // Lange Owen E. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Oct 26, 1937 00:00 | US-2097146-A // Electrical power regulating apparatus // Lange Owen E. De // Bell Telephone Labor Inc | ||||
| PDF File 2143056.pdf | 744 kB | Shaun Ewing | Jan 10, 1939 00:00 |
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US-2143056-A // Transmission system // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Jan 10, 1939 00:00 | US-2143056-A // Transmission system // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1882974.pdf | 744 kB | Shaun Ewing | Oct 18, 1932 00:00 |
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US-1882974-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882974-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | ||||
| PDF File 2208661.pdf | 744 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208661-A // Purification of gases by fractional condenszation // Christensen Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208661-A // Purification of gases by fractional condenszation // Christensen Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 1788714.pdf | 743 kB | Shaun Ewing | Jan 13, 1931 00:00 |
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US-1788714-A // High and low frequency transmission circuits // Grimley Donald G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 743 kB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788714-A // High and low frequency transmission circuits // Grimley Donald G. // Bell Telephone Labor Inc | ||||
| PDF File 2207976.pdf | 742 kB | Shaun Ewing | Jul 16, 1940 00:00 |
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US-2207976-A // Amplifier circuit // Ferrell Enoch B. // Bell Telephone Lab Incorproate | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2207976-A // Amplifier circuit // Ferrell Enoch B. // Bell Telephone Lab Incorproate | ||||
| PDF File 2160086.pdf | 742 kB | Shaun Ewing | May 30, 1939 00:00 |
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US-2160086-A // Electron discharge device // Ronci Victor L. ; West John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 742 kB | Shaun Ewing | May 30, 1939 00:00 | US-2160086-A // Electron discharge device // Ronci Victor L. ; West John W. // Bell Telephone Labor Inc | ||||
| PDF File 2147712.pdf | 742 kB | Shaun Ewing | Feb 21, 1939 00:00 |
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US-2147712-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Feb 21, 1939 00:00 | US-2147712-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2083346.pdf | 742 kB | Shaun Ewing | Jun 08, 1937 00:00 |
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US-2083346-A // Electronic discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Jun 08, 1937 00:00 | US-2083346-A // Electronic discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2094062.pdf | 741 kB | Shaun Ewing | Sept 28, 1937 00:00 |
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US-2094062-A // Electromechanical impedance // Darlington Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 741 kB | Shaun Ewing | Sept 28, 1937 00:00 | US-2094062-A // Electromechanical impedance // Darlington Sidney // Bell Telephone Labor Inc |