Name Size Creator Creation Date Labels Comment  
PDF File 2426996.pdf 378 kB Shaun Ewing Sept 09, 1947 00:00
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US-2426996-A // Frequency modulation // Goodall William M. // Bell Telephone Labor Inc
PDF File 2401759.pdf 378 kB Shaun Ewing Jun 11, 1946 00:00
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US-2401759-A // Directionally selective radio communication system // Hersey Ralph E. // Bell Telephone Labor Inc
PDF File 2463756.pdf 378 kB Shaun Ewing Mar 08, 1949 00:00
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US-2463756-A // Manufacture of electrical apparatus // Egerton Lawson // Bell Telephone Labor Inc
PDF File 2460075.pdf 377 kB Shaun Ewing Jan 25, 1949 00:00
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US-2460075-A // Transmission control system // Dickieson Alton C. // Bell Telephone Labor Inc
PDF File 2421028.pdf 377 kB Shaun Ewing May 27, 1947 00:00
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US-2421028-A // Wave reflection aircraft detector using rotating polarization // King Archie P. // Bell Telephone Labor Inc
PDF File 2491644.pdf 376 kB Shaun Ewing Dec 20, 1949 00:00
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US-2491644-A // Attenuator // Carlson Carl P. // Bell Telephone Labor Inc
PDF File 2516047.pdf 375 kB Shaun Ewing Jul 18, 1950 00:00
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US-2516047-A // Stable curable polyorganosiloxane compositions // Coste John B. De // Bell Telephone Labor Inc
PDF File 2441588.pdf 375 kB Shaun Ewing May 18, 1948 00:00
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US-2441588-A // Magnetic materials // Nesbitt Ethan A. // Bell Telephone Labor Inc
PDF File 2410809.pdf 375 kB Shaun Ewing Nov 12, 1946 00:00
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US-2410809-A // Telegraph signal distortion measuring circuit // Cory Samuel I. // Bell Telephone Labor Inc
PDF File 2442766.pdf 375 kB Shaun Ewing Jun 08, 1948 00:00
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US-2442766-A // Circuit controlling switch // Garvin John S. // Bell Telephone Labor Inc
PDF File 2522402.pdf 374 kB Shaun Ewing Sept 12, 1950 00:00
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US-2522402-A // Negative resistance repeater system // Robertson Sloan D. // Bell Telephone Labor Inc
PDF File 2416342.pdf 374 kB Shaun Ewing Feb 25, 1947 00:00
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US-2416342-A // Altitude guiding system for aircraft // Newhouse Russell C. // Bell Telephone Labor Inc
PDF File 2438110.pdf 374 kB Shaun Ewing Mar 23, 1948 00:00
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US-2438110-A // Electrical translating materials and devices and method of making them // Brattain Walter H. // Bell Telephone Labor Inc
PDF File 2474688.pdf 374 kB Shaun Ewing Jun 28, 1949 00:00
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US-2474688-A // Transmission controlling device for wave guides // Pease Reginald M. // Bell Telephone Labor Inc
PDF File 2395758.pdf 373 kB Shaun Ewing Feb 26, 1946 00:00
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US-2395758-A // Wave translating system // Potter Ralph K. // Bell Telephone Labor Inc
PDF File 2515361.pdf 373 kB Shaun Ewing Jul 18, 1950 00:00
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US-2515361-A // Electric discharge device // Vance Robert L. // Bell Telephone Labor Inc
PDF File 2487016.pdf 373 kB Shaun Ewing Nov 01, 1949 00:00
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US-2487016-A // Telephone substation apparatus // Bescherer Edwin A. // Bell Telephone Labor Inc
PDF File 2423078.pdf 373 kB Shaun Ewing Jul 01, 1947 00:00
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US-2423078-A // Harmonic generator // Anderson Alva Eugene // Bell Telephone Labor Inc
PDF File 2445282.pdf 372 kB Shaun Ewing Jul 13, 1948 00:00
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US-2445282-A // Tuning arrangement for cavity resonators // Slater John C. // Bell Telephone Labor Inc
PDF File 2433366.pdf 370 kB Shaun Ewing Dec 30, 1947 00:00
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US-2433366-A // Telephone dial finger hole masking means // Hersey Ralph E. // Bell Telephone Labor Inc
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