Name Size Creator Creation Date Labels Comment  
PDF File 2586534.pdf 689 kB Shaun Ewing Feb 19, 1952 00:00
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US-2586534-A // Private branch exchange trunk circuit // Gray Preston R. // Bell Telephone Labor Inc
PDF File 2695959.pdf 688 kB Shaun Ewing Nov 30, 1954 00:00
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US-2695959-A // Frequency dividing circuit // Mohr Milton E. // Bell Telephone Labor Inc
PDF File 2707231.pdf 688 kB Shaun Ewing Apr 26, 1955 00:00
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US-2707231-A // Frequency stabilization of oscillators // Townes Charles H. // Bell Telephone Labor Inc
PDF File 2617289.pdf 687 kB Shaun Ewing Nov 11, 1952 00:00
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US-2617289-A // Key actuated double custody lock // Shann Oscar A. // Bell Telephone Labor Inc
PDF File 2722664.pdf 687 kB Shaun Ewing Nov 01, 1955 00:00
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US-2722664-A // Adjustable inductance device // Duncan Robert S. ; Jr. Henry A. Stone, // Bell Telephone Labor Inc
PDF File 2673962.pdf 687 kB Shaun Ewing Mar 30, 1954 00:00
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US-2673962-A // Mode suppression in curved waveguide bends // Kock Winston E. // Bell Telephone Labor Inc
PDF File 2556704.pdf 686 kB Shaun Ewing Jun 12, 1951 00:00
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US-2556704-A // Counting circuit // Parkinson David B. // Bell Telephone Labor Inc
PDF File 2666817.pdf 685 kB Shaun Ewing Jan 19, 1954 00:00
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US-2666817-A // Transistor amplifier and power supply therefor // Raisbeck Gordon ; Jr. Robert Lee Wallace, // Bell Telephone Labor Inc
PDF File 2655953.pdf 685 kB Shaun Ewing Oct 20, 1953 00:00
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US-2655953-A // Wire connecting tool // Miloche Herman A. // Bell Telephone Labor Inc
PDF File 2547107.pdf 684 kB Shaun Ewing Apr 03, 1951 00:00
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US-2547107-A // Stabilized amplifier // Anderson Attell B. // Bell Telephone Labor Inc
PDF File 2712536.pdf 683 kB Shaun Ewing Jul 05, 1955 00:00
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US-2712536-A // Production of polymer spheres // Winslow Field H. // Bell Telephone Labor Inc
PDF File 2618767.pdf 683 kB Shaun Ewing Nov 18, 1952 00:00
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US-2618767-A // Multicathode gaseous discharge device // Gugelberg Hans L. Von // Bell Telephone Labor Inc
PDF File 2674583.pdf 682 kB Shaun Ewing Apr 06, 1954 00:00
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US-2674583-A // High temperature coefficient resistors and methods of making them // Christensen Howard // Bell Telephone Labor Inc
PDF File 2585866.pdf 681 kB Shaun Ewing Feb 12, 1952 00:00
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US-2585866-A // Antenna mechanism // Jr. Charles F. Spahn, // Bell Telephone Labor Inc
PDF File 2596617.pdf 680 kB Shaun Ewing May 13, 1952 00:00
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US-2596617-A // Increasing number of holes in apertured metal screens // Teal Gordon K. // Bell Telephone Labor Inc
PDF File 2538114.pdf 680 kB Shaun Ewing Jan 16, 1951 00:00
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US-2538114-A // Thickness measurement // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2706782.pdf 679 kB Shaun Ewing Apr 19, 1955 00:00
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US-2706782-A // Broad band microwave noise source // Mumford William W. // Bell Telephone Labor Inc
PDF File 2595652.pdf 679 kB Shaun Ewing May 06, 1952 00:00
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US-2595652-A // Coupled cavity resonator // Fisk James B. // Bell Telephone Labor Inc
PDF File 2694113.pdf 678 kB Shaun Ewing Nov 09, 1954 00:00
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US-2694113-A // Transistor amplifier with conjugate input and output impedances // Meacham Larned A. // Bell Telephone Labor Inc
PDF File 2623198.pdf 678 kB Shaun Ewing Dec 23, 1952 00:00
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US-2623198-A // Tunable magnetron // Hebenstreit William B. // Bell Telephone Labor Inc
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