Name Size Creator Creation Date Labels Comment  
PDF File 2315613.pdf 369 kB Shaun Ewing Apr 06, 1943 00:00
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US-2315613-A // Poly-hexahydro-hydroquinone sebacate // Frosch Carl J. // Bell Telephone Labor Inc
PDF File 2315456.pdf 1.11 MB Shaun Ewing Mar 30, 1943 00:00
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US-2315456-A // Call indicator // Schimpf Luther G. // Bell Telephone Labor Inc
PDF File 2315450.pdf 924 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315450-A // Method of and apparatus for locating transmission faults // Nyquist Harry // Bell Telephone Labor Inc
PDF File 2315445.pdf 406 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315445-A // Regulated rectifier circuit // Milarta Louis E. // 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 2315435.pdf 639 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315435-A // Transmission system // Leibe Frank A. // Bell Telephone Labor Inc
PDF File 2315434.pdf 572 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315434-A // Transmission system // Leibe Frank A. // Bell Telephone Labor Inc
PDF File 2315426.pdf 858 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315426-A // Solder pellet caster device // Humphrey Robert G. // Bell Telephone Labor Inc
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 2315291.pdf 1.08 MB Shaun Ewing Mar 30, 1943 00:00
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US-2315291-A // Apparatus for and method of generating television signals // Mattke Charles F. // Bell Telephone Labor Inc
PDF File 2315290.pdf 1.05 MB Shaun Ewing Mar 30, 1943 00:00
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US-2315290-A // Apparatus for and method of generating television signals // Mattke Charles F. // Bell Telephone Labor Inc
PDF File 2315288.pdf 1.06 MB Shaun Ewing Mar 30, 1943 00:00
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US-2315288-A // Apparatus for and method of generating television signals // Knoop William A. // Bell Telephone Labor Inc
PDF File 2315073.pdf 560 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315073-A // Electric circuits // Norton Frank R. // Bell Telephone Labor Inc
PDF File 2315040.pdf 1008 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315040-A // Electric wave amplification // Bode Hendrik W. // Bell Telephone Labor Inc
PDF File 2315000.pdf 536 kB Shaun Ewing Mar 30, 1943 00:00
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US-2315000-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc
PDF File 2314961.pdf 664 kB Shaun Ewing Mar 30, 1943 00:00
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US-2314961-A // Telephone system // Williams Samuel B. // 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 2314938.pdf 405 kB Shaun Ewing Mar 30, 1943 00:00
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US-2314938-A // Signal translating device // Haynes James R. // Bell Telephone Labor Inc
PDF File 2314816.pdf 595 kB Shaun Ewing Mar 23, 1943 00:00
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US-2314816-A // Method of desulphurizing carbon coated metals // Jr. Joshua R. C. Brown, ; Wooten Leland A. // Bell Telephone Labor Inc
PDF File 2314801.pdf 1.88 MB Shaun Ewing Mar 23, 1943 00:00
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US-2314801-A // Telephone call transmitter // Roberts John G. ; Ferry Dobbs ; Richard Charles D. // Bell Telephone Labor Inc
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