Name Size Creator Creation Date Labels Comment  
PDF File 2585842.pdf 782 kB Shaun Ewing Feb 12, 1952 00:00
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US-2585842-A // Bridged t phase shifter // Richardson Paul H. // Bell Telephone Labor Inc
PDF File 2652512.pdf 781 kB Shaun Ewing Sept 15, 1953 00:00
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US-2652512-A // Electron gun // Hollenberg Arthur V. // Bell Telephone Labor Inc
PDF File 2663766.pdf 781 kB Shaun Ewing Dec 22, 1953 00:00
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US-2663766-A // Transistor amplifier with conjugate input and output circuits // Meacham Larned A. // Bell Telephone Labor Inc
PDF File 2719964.pdf 781 kB Shaun Ewing Oct 04, 1955 00:00
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US-2719964-A // Magnetic surface writing circuit utilizing magnetic cores // Mcguigan John H. ; Vaughan Henry E. // Bell Telephone Labor Inc
PDF File 2548671.pdf 779 kB Shaun Ewing Apr 10, 1951 00:00
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US-2548671-A // Directional radio reception // Jr. John G. Kreer, // Bell Telephone Labor Inc
PDF File 2567380.pdf 778 kB Shaun Ewing Sept 11, 1951 00:00
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US-2567380-A // Parallel telectrical wave transmission network // Kingsbury Burton A. // Bell Telephone Labor Inc
PDF File 2564432.pdf 778 kB Shaun Ewing Aug 14, 1951 00:00
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US-2564432-A // Impulse counting relay // Hickman Clarence N. // Bell Telephone Labor Inc
PDF File 2658194.pdf 777 kB Shaun Ewing Nov 03, 1953 00:00
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US-2658194-A // Audible signal for field telephone sets // Kalin Walter ; Power James R. // Bell Telephone Labor Inc
PDF File 2656473.pdf 776 kB Shaun Ewing Oct 20, 1953 00:00
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US-2656473-A // Crystal unit for use at high temperatures // Jr. Arthur W. Warner, // Bell Telephone Labor Inc
PDF File 2566405.pdf 776 kB Shaun Ewing Sept 04, 1951 00:00
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US-2566405-A // Frequency modulation // Lange Owen E. De ; Goodall William M. // Bell Telephone Labor Inc
PDF File 2586080.pdf 772 kB Shaun Ewing Feb 19, 1952 00:00
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US-2586080-A // Semiconductive signal translating device // Pfann William G. // Bell Telephone Labor Inc
PDF File 2699133.pdf 772 kB Shaun Ewing Jan 11, 1955 00:00
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US-2699133-A // Electrical element mounting jig // Ames George W. ; Herrington Harold W. // Bell Telephone Labor Inc
PDF File 2556001.pdf 771 kB Shaun Ewing Jun 05, 1951 00:00
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US-2556001-A // Microwave impedance matching reactor // Robertson Sloan D. // Bell Telephone Labor Inc
PDF File 2669004.pdf 770 kB Shaun Ewing Feb 16, 1954 00:00
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US-2669004-A // Varistor curve tracer // Blair Royer R. // Bell Telephone Labor Inc
PDF File 2649504.pdf 770 kB Shaun Ewing Aug 18, 1953 00:00
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US-2649504-A // Electroinc subscriber's loop telegraph repeater // Davey James R. // Bell Telephone Labor Inc
PDF File 2594389.pdf 769 kB Shaun Ewing Apr 29, 1952 00:00
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US-2594389-A // Double-lockout interconnecting system // Bruce Edmond // Bell Telephone Labor Inc
PDF File 2640094.pdf 769 kB Shaun Ewing May 26, 1953 00:00
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US-2640094-A // Monitor system insensitive to impedance variations // Gannett Danforth K. // Bell Telephone Labor Inc
PDF File 2553747.pdf 768 kB Shaun Ewing May 22, 1951 00:00
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US-2553747-A // Method and means for transposing open-wire lines // Carr James A. // Bell Telephone Labor Inc
PDF File 2602180.pdf 768 kB Shaun Ewing Jul 08, 1952 00:00
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US-2602180-A // Pneumatic tool for cleaning switch banks // Miller Victor F. // Bell Telephone Labor Inc
PDF File 2595662.pdf 767 kB Shaun Ewing May 06, 1952 00:00
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US-2595662-A // Automatic volume control for oscillators // Houghton Edward W. // Bell Telephone Labor Inc
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