Name Size Creator Creation Date Labels Comment  
PDF File 1632012.pdf 899 kB Shaun Ewing Jun 14, 1927 00:00
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US-1632012-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph
PDF File 1631174.pdf 501 kB Shaun Ewing Jun 07, 1927 00:00
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US-1631174-A // Telegraph signaling system // Wilburn Sidney D. // American Telephone & Telegraph
PDF File 1631153.pdf 789 kB Shaun Ewing Jun 07, 1927 00:00
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US-1631153-A // Trunk circuits // Peterson George H. // American Telephone & Telegraph
PDF File 1631143.pdf 378 kB Shaun Ewing Jun 07, 1927 00:00
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US-1631143-A // Deflection dynamometer // Matthews Edgar M. ; Carr James A. // American Telephone & Telegraph
PDF File 1630340.pdf 757 kB Shaun Ewing May 31, 1927 00:00
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US-1630340-A // Telegraph system // Hall Merton C. // American Telephone & Telegraph
PDF File 1630312.pdf 365 kB Shaun Ewing May 31, 1927 00:00
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US-1630312-A // Thermal translating device // Rhodes William A. // American Telephone & Telegraph
PDF File 1630293.pdf 352 kB Shaun Ewing May 31, 1927 00:00
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US-1630293-A // Step for poles // Fish Lewin B. // American Telephone & Telegraph
PDF File 1629491.pdf 608 kB Shaun Ewing May 24, 1927 00:00
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US-1629491-A // Program-selecting circuits // Fetter Charles H. // American Telephone & Telegraph
PDF File 1628883.pdf 497 kB Shaun Ewing May 17, 1927 00:00
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US-1628883-A // Carrier amplitude-control system // Holden William H. T. // American Telephone & Telegraph
PDF File 1628697.pdf 808 kB Shaun Ewing May 17, 1927 00:00
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US-1628697-A // Program transmission over wires // Toomey John F. // American Telephone & Telegraph
PDF File 1628392.pdf 882 kB Shaun Ewing May 10, 1927 00:00
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US-1628392-A // Telegraph distortion measuring system // Cory Samuel I. // American Telephone & Telegraph
PDF File 1627701.pdf 377 kB Shaun Ewing May 10, 1927 00:00
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US-1627701-A // System for transmitting and reproducing pictures // Hall Merton C. // American Telephone & Telegraph
PDF File 1627633.pdf 636 kB Shaun Ewing May 10, 1927 00:00
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US-1627633-A // Telegraph distortion-measuring system // Cory Samuel I. // American Telephone & Telegraph
PDF File 1627111.pdf 413 kB Shaun Ewing May 03, 1927 00:00
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US-1627111-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph
PDF File 1626743.pdf 265 kB Shaun Ewing May 03, 1927 00:00
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US-1626743-A // Cone loud-speaker diaphragm // Martin William H. // American Telephone & Telegraph
PDF File 1626731.pdf 406 kB Shaun Ewing May 03, 1927 00:00
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US-1626731-A // Method of and apparatus for synchronization in picture transmission // Herman Joseph // American Telephone & Telegraph
PDF File 1626724.pdf 480 kB Shaun Ewing May 03, 1927 00:00
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US-1626724-A // Frequency-controlling system // Demarest Charles S. ; Almquist Milton L. // American Telephone & Telegraph
PDF File 1625897.pdf 270 kB Shaun Ewing Apr 26, 1927 00:00
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US-1625897-A // Cable clamp and bridle ring // Klein Charles H. // American Telephone & Telegraph
PDF File 1625823.pdf 230 kB Shaun Ewing Apr 26, 1927 00:00
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US-1625823-A // Radio receiver and trouble alarm // Potter Ralph K. // American Telephone & Telegraph
PDF File 1625822.pdf 268 kB Shaun Ewing Apr 26, 1927 00:00
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US-1625822-A // Radio receiver and trouble alarm // Potter Ralph K. // American Telephone & Telegraph
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