Name Size Creator Creation Date Labels Comment  
PDF File 2611026.pdf 1.49 MB Shaun Ewing Sept 16, 1952 00:00
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US-2611026-A // Testing arrangement for automatic telegraph switching system // Blanton William B. ; Scheinman Arnold H. // Western Union Telegraph Co
PDF File 2607844.pdf 766 kB Shaun Ewing Aug 19, 1952 00:00
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US-2607844-A // Wheatstone bridge having stylus shunting one arm // Turner Frank T. // Western Union Telegraph Co
PDF File 2607654.pdf 795 kB Shaun Ewing Aug 19, 1952 00:00
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US-2607654-A // Stylus assembly for facsimile recorders // Ridings Garviee H. ; Hackenberg John H. // Western Union Telegraph Co
PDF File 2606963.pdf 3.67 MB Shaun Ewing Aug 12, 1952 00:00
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US-2606963-A // Two-way facsimile communication system // Ridings Garvice H. ; Hallden Frederick G. ; Currie Frank Leslie // Western Union Telegraph Co
PDF File 2593923.pdf 795 kB Shaun Ewing Apr 22, 1952 00:00
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US-2593923-A // Method of making a telegraphic facsimile transmitting blank // Roddin Daniel P. ; Kline Bernard L. // Western Union Telegraph Co
PDF File 2592779.pdf 1.95 MB Shaun Ewing Apr 15, 1952 00:00
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US-2592779-A // Tape controlled telegraph transmitter // Wise Raleigh J. ; Parrott Robert D. // Western Union Telegraph Co
PDF File 2587561.pdf 1.76 MB Shaun Ewing Feb 26, 1952 00:00
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US-2587561-A // Telegraph signal bias meter // Wilder Harold F. // Western Union Telegraph Co
PDF File 2587253.pdf 1.75 MB Shaun Ewing Feb 26, 1952 00:00
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US-2587253-A // Telegraph switching system // Vernam Gilbert S. // Western Union Telegraph Co
PDF File 2584775.pdf 3.14 MB Shaun Ewing Feb 05, 1952 00:00
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US-2584775-A // Facsimile transmitter and recorder with automatic sheet mounting // Wise Raleigh J. ; Ridings Garvice H. // Western Union Telegraph Co
PDF File 2584398.pdf 1.99 MB Shaun Ewing Feb 05, 1952 00:00
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US-2584398-A // Combined facsimile transmitting and receiving equipment // Pollard Leon G. // Western Union Telegraph Co
PDF File 2582707.pdf 2.94 MB Shaun Ewing Jan 15, 1952 00:00
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US-2582707-A // Telegraph switching system with sequence message numbers checking // Light George G. ; Blanton William B. // Western Union Telegraph Co
PDF File 2577415.pdf 863 kB Shaun Ewing Dec 04, 1951 00:00
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US-2577415-A // Mechanism for regulating synchronizing impulse transmissions // Gall Charles C. // Western Union Telegraph Co
PDF File 2575329.pdf 4.67 MB Shaun Ewing Nov 20, 1951 00:00
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US-2575329-A // Telegraph switching system // Blanton William B. ; Light George G. // Western Union Telegraph Co
PDF File 2573392.pdf 2.26 MB Shaun Ewing Oct 30, 1951 00:00
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US-2573392-A // Carrier telegraph system // Boughtwood John E. ; Michon Alfred E. // Western Union Telegraph Co
PDF File 2572871.pdf 1.26 MB Shaun Ewing Oct 30, 1951 00:00
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US-2572871-A // Facsimile transmitting means and method of using same // Kline Bernard L. // Western Union Telegraph Co
PDF File 2567307.pdf 2.75 MB Shaun Ewing Sept 11, 1951 00:00
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US-2567307-A // System and apparatus involving optical scanning // Wise Raleigh J. ; Ridings Garvice H. // Western Union Telegraph Co
PDF File 2564877.pdf 430 kB Shaun Ewing Aug 21, 1951 00:00
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US-2564877-A // Electric switch // Buckingham William D. ; Bruzdoski Constance J. // Western Union Telegraph Co
PDF File 2555321.pdf 561 kB Shaun Ewing Jun 05, 1951 00:00
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US-2555321-A // Facsimile recording paper // Dalton Harold R. ; Cooley Austin G. // Western Union Telegraph Co
PDF File 2552884.pdf 2.65 MB Shaun Ewing May 15, 1951 00:00
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US-2552884-A // Oscilloscope system // Cannon William D. // Western Union Telegraph Co
PDF File 2549796.pdf 3.06 MB Shaun Ewing Apr 24, 1951 00:00
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US-2549796-A // Telegraph code translator system // Frost Albert E. // Western Union Telegraph Co
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