Name Size Creator Creation Date Labels Comment  
PDF File 2339490.pdf 1.56 MB Shaun Ewing Jan 18, 1944 00:00
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US-2339490-A // Power supply system // Langabeer Harvey T. // Bell Telephone Labor Inc
PDF File 2247055.pdf 1.55 MB Shaun Ewing Jun 24, 1941 00:00
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US-2247055-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc
PDF File 2255595.pdf 1.55 MB Shaun Ewing Sept 09, 1941 00:00
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US-2255595-A // Signaling system // Bonorden Allen R. // Bell Telephone Labor Inc
PDF File 2260709.pdf 1.55 MB Shaun Ewing Oct 28, 1941 00:00
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US-2260709-A // Television system // Gray Frank // Bell Telephone Labor Inc
PDF File 2299897.pdf 1.55 MB Shaun Ewing Oct 27, 1942 00:00
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US-2299897-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2352271.pdf 1.55 MB Shaun Ewing Jun 27, 1944 00:00
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US-2352271-A // Teletypewriter pay station circuit // Lang Wilmarth Y. ; Singer Fred J. // Bell Telephone Labor Inc
PDF File 2287163.pdf 1.54 MB Shaun Ewing Jun 23, 1942 00:00
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US-2287163-A // Seal and joint for deep-sea cables // Bishop Walter M. // Bell Telephone Labor Inc
PDF File 2360291.pdf 1.53 MB Shaun Ewing Oct 10, 1944 00:00
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US-2360291-A // Telephone system // Wadsworth Paul W. // Bell Telephone Labor Inc
PDF File 2383764.pdf 1.53 MB Shaun Ewing Aug 28, 1945 00:00
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US-2383764-A // Apparatus for x-ray analysis // Bond Walter L. // Bell Telephone Labor Inc
PDF File 2280871.pdf 1.53 MB Shaun Ewing Apr 28, 1942 00:00
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US-2280871-A // Control system // Tuthill Walter W. // Bell Telephone Labor Inc
PDF File 2337878.pdf 1.52 MB Shaun Ewing Dec 28, 1943 00:00
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US-2337878-A // Carrier wave signaling system // Espenschied Lloyd // Bell Telephone Labor Inc
PDF File 2315442.pdf 1.52 MB Shaun Ewing Mar 30, 1943 00:00
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US-2315442-A // Negative feedback detector // Mcrae James W. // Bell Telephone Labor Inc
PDF File 2347107.pdf 1.52 MB Shaun Ewing Apr 18, 1944 00:00
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US-2347107-A // Switching system // Hubbard Francis A. // Bell Telephone Labor Inc
PDF File 2342886.pdf 1.52 MB Shaun Ewing Feb 29, 1944 00:00
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US-2342886-A // Printing telegraph apparatus and system // Murphy Paul B. // Bell Telephone Labor Inc
PDF File 2249429.pdf 1.52 MB Shaun Ewing Jul 15, 1941 00:00
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US-2249429-A // Teletypewriter switching system // Kinkead Fullerton S. // Bell Telephone Labor Inc
PDF File 2326478.pdf 1.52 MB Shaun Ewing Aug 10, 1943 00:00
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US-2326478-A // Selection system // Meacham Larned A. // Bell Telephone Labor Inc
PDF File 2314960.pdf 1.52 MB Shaun Ewing Mar 30, 1943 00:00
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US-2314960-A // Method of and apparatus for producing television images // Willard Gerald W. // Bell Telephone Labor Inc
PDF File 2318168.pdf 1.51 MB Shaun Ewing May 04, 1943 00:00
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US-2318168-A // Printing telegraph apparatus // Lang Wilmarth Y. // Bell Telephone Labor Inc
PDF File 2324534.pdf 1.51 MB Shaun Ewing Jul 20, 1943 00:00
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US-2324534-A // Television transmitter // Pierce John R. // Bell Telephone Labor Inc
PDF File 2249415.pdf 1.51 MB Shaun Ewing Jul 15, 1941 00:00
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US-2249415-A // Wave filter // Bode Hendrik W. // Bell Telephone Labor Inc
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