Name Size Creator Creation Date Labels Comment  
PDF File 3204151.pdf 460 kB Shaun Ewing Aug 31, 1965 00:00
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US-3204151-A // Fast-acting relay controlled circuit // Kersey George E. // Bell Telephone Labor Inc
PDF File 3204129.pdf 807 kB Shaun Ewing Aug 31, 1965 00:00
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US-3204129-A // Negative resistance diode trigger circuit // Kaenel Reginald A. // Bell Telephone Labor Inc
PDF File 3204048.pdf 718 kB Shaun Ewing Aug 31, 1965 00:00
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US-3204048-A // Negative impedance repeaters for non-loaded lines // Monte Robert W. De // Bell Telephone Labor Inc
PDF File 3204040.pdf 824 kB Shaun Ewing Aug 31, 1965 00:00
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US-3204040-A // Switching circuit // Hackett John A. // Bell Telephone Labor Inc
PDF File 3204032.pdf 904 kB Shaun Ewing Aug 31, 1965 00:00
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US-3204032-A // Apparatus for indicating that telephone conversation is being recorded // Jr. John E. Pitts, // Bell Telephone Labor Inc
PDF File 3203902.pdf 786 kB Shaun Ewing Aug 31, 1965 00:00
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US-3203902-A // Rubidium-rare earth tungstate and molybdate optical maser materials // Soden Ralph R. ; Uitert Le Grand G. Van // Bell Telephone Labor Inc
PDF File 3203081.pdf 1.25 MB Shaun Ewing Aug 31, 1965 00:00
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US-3203081-A // Apparatus for making sealed contact reed switches // Reck Frank // Bell Telephone Labor Inc
PDF File 3202983.pdf 595 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202983-A // Multidiode coincidence detector // James Dennis B. // Bell Telephone Labor Inc
PDF File 3202941.pdf 793 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202941-A // High frequency channel switching unit, employing electromechanical contact means // Giger Adolf J. // Bell Telephone Labor Inc
PDF File 3202939.pdf 728 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202939-A // Balanced transistor translating network // Reiling Paul A. // Bell Telephone Labor Inc
PDF File 3202936.pdf 709 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202936-A // Multifrequency generator having phase lock and automatic frequency control // Kaminski William ; Schneider Herbert A. // Bell Telephone Labor Inc
PDF File 3202912.pdf 279 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202912-A // Method of utilizing tunnel diodes to detect changes in magnetic fields // Chynoweth Alan G. ; Logan Ralph A. // Bell Telephone Labor Inc
PDF File 3202887.pdf 872 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202887-A // Mesa-transistor with impurity concentration in the base decreasing toward collector junction // Dacey George C. ; Lee Charles A. ; Shockley William // Bell Telephone Labor Inc
PDF File 3202864.pdf 693 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202864-A // Electron beam device having divergent emission electron gun // Crowell Merton H. // Bell Telephone Labor Inc
PDF File 3202806.pdf 611 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202806-A // Digital parallel function generator // Menne Robert S. // Bell Telephone Labor Inc
PDF File 3202774.pdf 1.19 MB Shaun Ewing Aug 24, 1965 00:00
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US-3202774-A // Transfer switch having a multiple contact actuator // Chase Albert J. ; Hershey Harold J. // Bell Telephone Labor Inc
PDF File 3202765.pdf 508 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202765-A // Synchronization of frequency multiplex systems // Byrne Charles J. // Bell Telephone Labor Inc
PDF File 3202763.pdf 690 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202763-A // Resonant transfer time division multiplex system utilizing negative impedance amplification means // Jr. Wilmer B. Gaunt, // Bell Telephone Labor Inc
PDF File 3202762.pdf 623 kB Shaun Ewing Aug 24, 1965 00:00
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US-3202762-A // Asynchronous pulse multiplexing // Aaron Marvin R. ; Henning Hansjuergen H. // Bell Telephone Labor Inc
PDF File 3201849.pdf 624 kB Shaun Ewing Aug 24, 1965 00:00
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US-3201849-A // Method of winding helices // Voss Robert G. // Bell Telephone Labor Inc
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