Name Size Creator Creation Date Labels Comment  
PDF File 2706222.pdf 846 kB Shaun Ewing Apr 12, 1955 00:00
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US-2706222-A // Transistor lockout circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc
PDF File 2572216.pdf 846 kB Shaun Ewing Oct 23, 1951 00:00
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US-2572216-A // Signal receiving system // Taylor Edmund R. // Bell Telephone Labor Inc
PDF File 2666357.pdf 846 kB Shaun Ewing Jan 19, 1954 00:00
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US-2666357-A // Optical system for nonintermittent film projectors // Graham Robert E. ; Mattke Charles F. // Bell Telephone Labor Inc
PDF File 2640137.pdf 844 kB Shaun Ewing May 26, 1953 00:00
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US-2640137-A // Temperature control system // Ketchledge Raymond W. // Bell Telephone Labor Inc
PDF File 2537862.pdf 842 kB Shaun Ewing Jan 09, 1951 00:00
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US-2537862-A // High-voltage pulse generator // Samuel Arthur L. // Bell Telephone Labor Inc
PDF File 2571167.pdf 842 kB Shaun Ewing Oct 16, 1951 00:00
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US-2571167-A // Masking device for crystals // Ruggles David M. ; Jr. Arthur W. Warner, // 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 2595232.pdf 840 kB Shaun Ewing May 06, 1952 00:00
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US-2595232-A // Telephone switching system employing a transistor // Dimond Thomas L. // Bell Telephone Labor Inc
PDF File 2607902.pdf 839 kB Shaun Ewing Aug 19, 1952 00:00
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US-2607902-A // Gaseous discharge device // Townsend Mark A. // Bell Telephone Labor Inc
PDF File 2666195.pdf 839 kB Shaun Ewing Jan 12, 1954 00:00
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US-2666195-A // Sequential circuits // Bachelet Albert E. ; Pitlik Hillel // Bell Telephone Labor Inc
PDF File 2684724.pdf 838 kB Shaun Ewing Jul 27, 1954 00:00
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US-2684724-A // Sound wave refractor // Kock Winston E. // Bell Telephone Labor Inc
PDF File 2635207.pdf 836 kB Shaun Ewing Apr 14, 1953 00:00
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US-2635207-A // Electron discharge device of the cavity resonator type // Goddard Charles T. // Bell Telephone Labor Inc
PDF File 2677106.pdf 834 kB Shaun Ewing Apr 27, 1954 00:00
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US-2677106-A // Testing of semiconductors // Haynes James R. ; Morton Jack A. // Bell Telephone Labor Inc
PDF File 2635206.pdf 834 kB Shaun Ewing Apr 14, 1953 00:00
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US-2635206-A // Generation of microwaves // Pierce John R. // Bell Telephone Labor Inc
PDF File 2539535.pdf 834 kB Shaun Ewing Jan 30, 1951 00:00
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US-2539535-A // Source of electrical energy // Espenschied Lloyd // Bell Telephone Labor Inc
PDF File 2560806.pdf 834 kB Shaun Ewing Jul 17, 1951 00:00
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US-2560806-A // Echo suppression in transmission lines // Lewis Willard D. // Bell Telephone Labor Inc
PDF File 2663818.pdf 834 kB Shaun Ewing Dec 22, 1953 00:00
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US-2663818-A // Electron discharge device // Walsh Edward J. // Bell Telephone Labor Inc
PDF File 2628936.pdf 831 kB Shaun Ewing Feb 17, 1953 00:00
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US-2628936-A // Method of forming a point at the end of a wire // Albano Vincent J. // Bell Telephone Labor Inc
PDF File 2582691.pdf 830 kB Shaun Ewing Jan 15, 1952 00:00
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US-2582691-A // Impulse testing and test impulse generating set // Fritschi Walter W. // Bell Telephone Labor Inc
PDF File 2594078.pdf 828 kB Shaun Ewing Apr 22, 1952 00:00
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US-2594078-A // Electronic marker for cathode-ray indicator tubes // Scoville Ray R. // Bell Telephone Labor Inc
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