Name Size Creator Creation Date Labels Comment  
PDF File 2602211.pdf 1.32 MB Shaun Ewing Jul 08, 1952 00:00
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US-2602211-A // Rectifier and method of making it // Scaff Jack H. ; Theuerer Henry C. // Bell Telephone Labor Inc
PDF File 2602763.pdf 1.20 MB Shaun Ewing Jul 08, 1952 00:00
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US-2602763-A // Preparation of semiconductive materials for translating devices // Seaff Jack H. ; Theuerer Henry C. // Bell Telephone Labor Inc
PDF File 2602853.pdf 1.23 MB Shaun Ewing Jul 08, 1952 00:00
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US-2602853-A // Selective signaling system // Harrison Henry C. // Bell Telephone Labor Inc
PDF File 2602872.pdf 1.63 MB Shaun Ewing Jul 08, 1952 00:00
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US-2602872-A // Apparatus for equipping crystals with wires // Ziegler Arthur W. // Bell Telephone Labor Inc
PDF File 2602907.pdf 695 kB Shaun Ewing Jul 08, 1952 00:00
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US-2602907-A // Filament mounting for high power electron discharge devices // Shower Edmund G. // Bell Telephone Labor Inc
PDF File 2602919.pdf 288 kB Shaun Ewing Jul 08, 1952 00:00
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US-2602919-A // Balanced parabolic modulator // Drazy Elbert J. // Bell Telephone Labor Inc
PDF File 2603692.pdf 826 kB Shaun Ewing Jul 15, 1952 00:00
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US-2603692-A // Rectifier and method of making it // Scaff Jack H. ; Theuerer Henry C. // Bell Telephone Labor Inc
PDF File 2603693.pdf 477 kB Shaun Ewing Jul 15, 1952 00:00
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US-2603693-A // Semiconductor signal translating device // Kircher Reymond J. // Bell Telephone Labor Inc
PDF File 2603694.pdf 783 kB Shaun Ewing Jul 15, 1952 00:00
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US-2603694-A // Semiconductor signal translating device // Kircher Reymond J. // Bell Telephone Labor Inc
PDF File 2603715.pdf 2.00 MB Shaun Ewing Jul 15, 1952 00:00
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US-2603715-A // Pulse position call or dial receiver // Vaughan Henry E. // Bell Telephone Labor Inc
PDF File 2603718.pdf 1.30 MB Shaun Ewing Jul 15, 1952 00:00
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US-2603718-A // Impulse-sender // Lovell Clarence A. ; Parkinson David B. // Bell Telephone Labor Inc
PDF File 2603772.pdf 840 kB Shaun Ewing Jul 15, 1952 00:00
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US-2603772-A // Modulation system // Field Lester M. // Bell Telephone Labor Inc
PDF File 2604540.pdf 2.45 MB Shaun Ewing Jul 22, 1952 00:00
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US-2604540-A // Calling line identification for automatic ticketing systems // Blake Foster B. // Bell Telephone Labor Inc
PDF File 2604543.pdf 497 kB Shaun Ewing Jul 22, 1952 00:00
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US-2604543-A // Equalizer circuit // Jr. Walter D. Goodale, // Bell Telephone Labor Inc
PDF File 2604596.pdf 1.28 MB Shaun Ewing Jul 22, 1952 00:00
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US-2604596-A // Bombardment induced conductivity in solid insulators // Ahearn Arthur J. // Bell Telephone Labor Inc
PDF File 2604619.pdf 812 kB Shaun Ewing Jul 22, 1952 00:00
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US-2604619-A // Voltage regulation // Stone John R. // Bell Telephone Labor Inc
PDF File 2605323.pdf 1.00 MB Shaun Ewing Jul 29, 1952 00:00
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US-2605323-A // Wave transmission // Samuel Arthur L. // Bell Telephone Labor Inc
PDF File 2605347.pdf 1022 kB Shaun Ewing Jul 29, 1952 00:00
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US-2605347-A // Telegraph concentration board spare communication circuit // Purvis Matthew R. // Bell Telephone Labor Inc
PDF File 2605361.pdf 812 kB Shaun Ewing Jul 29, 1952 00:00
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US-2605361-A // Differential quantization of communication signals // Cutler Cassius C. // Bell Telephone Labor Inc
PDF File 2606309.pdf 1.11 MB Shaun Ewing Aug 05, 1952 00:00
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US-2606309-A // Glow discharge device // Townsend Mark A. // Bell Telephone Labor Inc
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