Name Size Creator Creation Date Labels Comment  
PDF File 2069000.pdf 871 kB Shaun Ewing Jan 26, 1937 00:00
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US-2069000-A // Telegraph system // Bacon Walter Meredith // American Telephone & Telegraph
PDF File 2069038.pdf 594 kB Shaun Ewing Jan 26, 1937 00:00
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US-2069038-A // Telephone subscriber's substation // Labaugh James Monroe // American Telephone & Telegraph
PDF File 2069369.pdf 338 kB Shaun Ewing Feb 02, 1937 00:00
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US-2069369-A // Secret communication system // Hunter Russell Norman // American Telephone & Telegraph
PDF File 2069394.pdf 328 kB Shaun Ewing Feb 02, 1937 00:00
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US-2069394-A // Alarm circuit // Stevenson William // American Telephone & Telegraph
PDF File 2069915.pdf 303 kB Shaun Ewing Feb 09, 1937 00:00
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US-2069915-A // Signaling system // Edwards William Hopple ; Halligan Clair William // American Telephone & Telegraph
PDF File 2069932.pdf 234 kB Shaun Ewing Feb 09, 1937 00:00
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US-2069932-A // Electrical system // Wintringham William Tylee // American Telephone & Telegraph
PDF File 2070732.pdf 424 kB Shaun Ewing Feb 16, 1937 00:00
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US-2070732-A // Radio receiving system // Holden William H. T. // American Telephone & Telegraph
PDF File 2070744.pdf 417 kB Shaun Ewing Feb 16, 1937 00:00
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US-2070744-A // Crosstalk reduction in communication systems // Nyquist Harry // American Telephone & Telegraph
PDF File 2070750.pdf 320 kB Shaun Ewing Feb 16, 1937 00:00
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US-2070750-A // Regulator system // Rea Wilton Treat // American Telephone & Telegraph
PDF File 2071476.pdf 325 kB Shaun Ewing Feb 23, 1937 00:00
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US-2071476-A // Telegraph system // Thorp Vaughn Penfold // American Telephone & Telegraph
PDF File 2072227.pdf 575 kB Shaun Ewing Mar 02, 1937 00:00
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US-2072227-A // Signaling system for voice and telegraph operation // Taylor Edmund Randolph ; Mitchell Doren // American Telephone & Telegraph
PDF File 2072287.pdf 600 kB Shaun Ewing Mar 02, 1937 00:00
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US-2072287-A // Telephone transmission circuit // Wright Sumner Bisbee // American Telephone & Telegraph
PDF File 2073003.pdf 339 kB Shaun Ewing Mar 09, 1937 00:00
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US-2073003-A // Switchboard cord circuit // Darrow Wirt Edward // American Telephone & Telegraph
PDF File 2073030.pdf 148 kB Shaun Ewing Mar 09, 1937 00:00
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US-2073030-A // Guy clamp holder // Jr. Joseph J. Sefcik, // American Telephone & Telegraph
PDF File 2073752.pdf 1.04 MB Shaun Ewing Mar 16, 1937 00:00
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US-2073752-A // Telephone system // Norton John Ernest // American Telephone & Telegraph
PDF File 2073756.pdf 746 kB Shaun Ewing Mar 16, 1937 00:00
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US-2073756-A // Timing mechanism // Osten-Sacken Irving Charles // American Telephone & Telegraph
PDF File 2073983.pdf 553 kB Shaun Ewing Mar 16, 1937 00:00
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US-2073983-A // Registering system // Anderson Emil N. // American Telephone & Telegraph
PDF File 2074358.pdf 317 kB Shaun Ewing Mar 23, 1937 00:00
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US-2074358-A // Vehicle cover // Bixel Edward Carl ; Smith Temple Clifford // American Telephone & Telegraph
PDF File 2075103.pdf 279 kB Shaun Ewing Mar 30, 1937 00:00
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US-2075103-A // Apparatus for converting continuous motioninto interrupted motion // Edwards Paul Griffith ; Shoffstall Hugh Franklin // American Telephone & Telegraph
PDF File 2075422.pdf 405 kB Shaun Ewing Mar 30, 1937 00:00
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US-2075422-A // Telegraph system // Branson David Ernest ; Holden William Henry Towne ; Eyster James Alison // American Telephone & Telegraph
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