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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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