Name Size Creator Creation Date Labels Comment  
PDF File 1830700.pdf 630 kB Shaun Ewing Nov 03, 1931 00:00
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US-1830700-A // Tape perforator and transmitter // Hoover Ray ; Haupt Frank J. // Western Union Telegraph Co
PDF File 1749739.pdf 630 kB Shaun Ewing Mar 04, 1930 00:00
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US-1749739-A // Carrier-wave telegraphic transmission system // Fluharty William G. // Western Union Telegraph Co
PDF File 1447747.pdf 629 kB Shaun Ewing Mar 06, 1923 00:00
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US-1447747-A // Method of and apparatus for operating synchronous telegraph systems // Benjamin George R. // Western Union Telegraph Co
PDF File 1817738.pdf 628 kB Shaun Ewing Aug 04, 1931 00:00
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US-1817738-A // Jack panel unit // Demonet Eugene A. ; Copenhaver Preston S. // Western Union Telegraph Co
PDF File 1804327.pdf 628 kB Shaun Ewing May 05, 1931 00:00
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US-1804327-A // Concentration circuit for simplex printers // Drake Herbert W. ; Blanton William B. // Western Union Telegraph Co
PDF File 2294149.pdf 624 kB Shaun Ewing Aug 25, 1942 00:00
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US-2294149-A // Method of and means for recording signals // Kline Bernard L. ; Rudd Maurice A. // Western Union Telegraph Co
PDF File 2159927.pdf 623 kB Shaun Ewing May 23, 1939 00:00
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US-2159927-A // Neutralization of inductive interference // Cannon William D. // Western Union Telegraph Co
PDF File 1815786.pdf 622 kB Shaun Ewing Jul 21, 1931 00:00
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US-1815786-A // Printing telegraph control circuit // Long James W. // Western Union Telegraph Co
PDF File 2374704.pdf 621 kB Shaun Ewing May 01, 1945 00:00
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US-2374704-A // Facsimile switching system // Ridings Garvice H. ; Currie Frank Leslie // Western Union Telegraph Co
PDF File 452913.pdf 621 kB Shaun Ewing May 26, 1891 00:00
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US-452913-A // edison // Thomas A. Edison, Of New Jersey // Western Union Telegraph Co, Op New York, N. Y.
PDF File 1969467.pdf 619 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969467-A // News and advertising projection system // Long James W. ; Steeneck Robert // Western Union Telegraph Co
PDF File 1934059.pdf 619 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934059-A // Transfer mechanism for belt conveyers // Griffith Francis ; Arsdale Elvin R. Van // Western Union Telegraph Co
PDF File 1535073.pdf 618 kB Shaun Ewing Apr 21, 1925 00:00
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US-1535073-A // Synchronous telegraph system // Foll John Victor // Western Union Telegraph Co
PDF File 1805351.pdf 617 kB Shaun Ewing May 12, 1931 00:00
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US-1805351-A // Repeating apparatus for concentration units // Atherton Albert // Western Union Telegraph Co
PDF File 2281997.pdf 617 kB Shaun Ewing May 05, 1942 00:00
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US-2281997-A // Submarine cable signal shaping system // Randall Gerald A. // Western Union Telegraph Co
PDF File 2260416.pdf 617 kB Shaun Ewing Oct 28, 1941 00:00
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US-2260416-A // Clutch detent // Wentworth Rollins ; Davis Max U. // Western Union Telegraph Co
PDF File 2350382.pdf 616 kB Shaun Ewing Jun 06, 1944 00:00
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US-2350382-A // Method of and means for storing telegraph signals // Angel Herbert // Western Union Telegraph Co
PDF File 2446543.pdf 616 kB Shaun Ewing Aug 10, 1948 00:00
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US-2446543-A // Cable splice joint and method of making same // Mample Adolph Z. // Western Union Telegraph Co
PDF File 2462834.pdf 615 kB Shaun Ewing Mar 01, 1949 00:00
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US-2462834-A // Backspacing telegraph printer mechanism // Angel Herbert // Western Union Telegraph Co
PDF File 1911158.pdf 612 kB Shaun Ewing May 23, 1933 00:00
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US-1911158-A // Discharge for drac conveyers // Lihe Marold G. // Western Union Telegraph Co
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