Name Size Creator Creation Date Labels Comment  
PDF File 2315344.pdf 718 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315344-A // Call transmitter // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 2300366.pdf 718 kB Shaun Ewing Oct 27, 1942 00:00
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US-2300366-A // Signal transmission system // Blair Royer R. // Bell Telephone Labor Inc
PDF File 2273433.pdf 717 kB Shaun Ewing Feb 17, 1942 00:00
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US-2273433-A // Cathode ray tube // Bruce Edmond // Bell Telephone Labor Inc
PDF File 2318405.pdf 717 kB Shaun Ewing May 04, 1943 00:00
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US-2318405-A // Relay // Leveridge Walter J. // Bell Telephone Labor Inc
PDF File 2274687.pdf 714 kB Shaun Ewing Mar 03, 1942 00:00
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US-2274687-A // Electro-optical apparatus // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 2304238.pdf 714 kB Shaun Ewing Dec 08, 1942 00:00
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US-2304238-A // Cutting apparatus // Broughton William W. // Bell Telephone Labor Inc
PDF File 2372359.pdf 714 kB Shaun Ewing Mar 27, 1945 00:00
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US-2372359-A // Luminescent target // Cook John C. // Bell Telephone Labor Inc
PDF File 2329471.pdf 713 kB Shaun Ewing Sept 14, 1943 00:00
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US-2329471-A // Electrical terminal // King Douglas H. // Bell Telephone Labor Inc
PDF File 2345491.pdf 713 kB Shaun Ewing Mar 28, 1944 00:00
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US-2345491-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2386609.pdf 713 kB Shaun Ewing Oct 09, 1945 00:00
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US-2386609-A // Telephone system // Hubbard Francis A. // Bell Telephone Labor Inc
PDF File 2338642.pdf 712 kB Shaun Ewing Jan 04, 1944 00:00
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US-2338642-A // Testing and signaling system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2326551.pdf 712 kB Shaun Ewing Aug 10, 1943 00:00
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US-2326551-A // Selecting system // Mohr Milton E. // Bell Telephone Labor Inc
PDF File 2279978.pdf 712 kB Shaun Ewing Apr 14, 1942 00:00
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US-2279978-A // Signaling system // Gannett Danforth K. // Bell Telephone Labor Inc
PDF File 2236973.pdf 712 kB Shaun Ewing Apr 01, 1941 00:00
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US-2236973-A // Telephone substation apparatus // King Douglas H. // Bell Telephone Labor Inc
PDF File 2337540.pdf 712 kB Shaun Ewing Dec 28, 1943 00:00
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US-2337540-A // Measurement of envelope delay of electric circuits // Burgess Montague S. // Bell Telephone Labor Inc
PDF File 2300075.pdf 711 kB Shaun Ewing Oct 27, 1942 00:00
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US-2300075-A // Piezoelectric crystal controlled oscillator // Sykes Roger A. // Bell Telephone Labor Inc
PDF File 2277228.pdf 710 kB Shaun Ewing Mar 24, 1942 00:00
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US-2277228-A // Telephone system // Hecht George // Bell Telephone Labor Inc
PDF File 2233860.pdf 710 kB Shaun Ewing Mar 04, 1941 00:00
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US-2233860-A // Modulating system // Wise Raymond O. // Bell Telephone Labor Inc
PDF File 2294910.pdf 709 kB Shaun Ewing Sept 08, 1942 00:00
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US-2294910-A // Signaling and communication system // Johnson John B. // Bell Telephone Labor Inc
PDF File 2363571.pdf 709 kB Shaun Ewing Nov 28, 1944 00:00
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US-2363571-A // Radio signaling // Chaffee Joseph G. // Bell Telephone Labor Inc
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