Name Size Creator Creation Date Labels Comment  
PDF File 2303907.pdf 611 kB Shaun Ewing Dec 01, 1942 00:00
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US-2303907-A // Multichannel signal transmission // Black Harold S. // Bell Telephone Labor Inc
PDF File 2241882.pdf 609 kB Shaun Ewing May 13, 1941 00:00
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US-2241882-A // Designation strip // Hecht Rudolph A. // Bell Telephone Labor Inc
PDF File 2363581.pdf 609 kB Shaun Ewing Nov 28, 1944 00:00
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US-2363581-A // Polyesters // Frosch Carl J. // Bell Telephone Labor Inc
PDF File 2258662.pdf 608 kB Shaun Ewing Oct 14, 1941 00:00
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US-2258662-A // Sound transmission system // Snow William B. // Bell Telephone Labor Inc
PDF File 2267545.pdf 608 kB Shaun Ewing Dec 23, 1941 00:00
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US-2267545-A // Light valve // Wente Edward C. // Bell Telephone Labor Inc
PDF File 2285796.pdf 608 kB Shaun Ewing Jun 09, 1942 00:00
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US-2285796-A // Gaseous discharge device // Beardow George M. // Bell Telephone Labor Inc
PDF File 2338036.pdf 607 kB Shaun Ewing Dec 28, 1943 00:00
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US-2338036-A // Cathode ray device // Gorton William S. // Bell Telephone Labor Inc
PDF File 2296346.pdf 607 kB Shaun Ewing Sept 22, 1942 00:00
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US-2296346-A // Electrical terminal // Hearn John F. // Bell Telephone Labor Inc
PDF File 2331411.pdf 605 kB Shaun Ewing Oct 12, 1943 00:00
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US-2331411-A // Regulated rectifier // Milarta Louis E. // Bell Telephone Labor Inc
PDF File 2285022.pdf 605 kB Shaun Ewing Jun 02, 1942 00:00
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US-2285022-A // Telephone substation apparatus // Edwards William H. // Bell Telephone Labor Inc
PDF File 2289564.pdf 604 kB Shaun Ewing Jul 14, 1942 00:00
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US-2289564-A // Phase modulating system // Wrathall Leishman R. // Bell Telephone Labor Inc
PDF File 2358211.pdf 603 kB Shaun Ewing Sept 12, 1944 00:00
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US-2358211-A // Method of forming resistors and the like // Christensen Carl J. ; Christensen Howard // Bell Telephone Labor Inc
PDF File 2309525.pdf 603 kB Shaun Ewing Jan 26, 1943 00:00
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US-2309525-A // Electric signaling // Mohr Milton E. // Bell Telephone Labor Inc
PDF File 2306164.pdf 603 kB Shaun Ewing Dec 22, 1942 00:00
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US-2306164-A // Extrusion device // Harrison Henry C. // Bell Telephone Labor Inc
PDF File 2270906.pdf 602 kB Shaun Ewing Jan 27, 1942 00:00
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US-2270906-A // Piezoelectric crystal apparatus // Mcskimin Herbert J. // Bell Telephone Labor Inc
PDF File 2361160.pdf 601 kB Shaun Ewing Oct 24, 1944 00:00
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US-2361160-A // Line with negative resistance loading // Abraham Leonard G. // Bell Telephone Labor Inc
PDF File 2331530.pdf 601 kB Shaun Ewing Oct 12, 1943 00:00
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US-2331530-A // Electric wave circuit // Zinn Manvel K. // Bell Telephone Labor Inc
PDF File 2242755.pdf 600 kB Shaun Ewing May 20, 1941 00:00
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US-2242755-A // Acoustic device // Pope Thomas J. // Bell Telephone Labor Inc
PDF File 2388289.pdf 600 kB Shaun Ewing Nov 06, 1945 00:00
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US-2388289-A // Electron discharge device // Ronei Victor L. // Bell Telephone Labor Inc
PDF File 2373175.pdf 600 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373175-A // Electron discharge apparatus // Depp Wallace A. // Bell Telephone Labor Inc
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