Name Size Creator Creation Date Labels Comment  
PDF File 300341.pdf 596 kB Shaun Ewing Jun 17, 1884 00:00
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US-300341-A // Telegeaph // Charles L. Buckingham!, Op And Wj Lliam B. Yansize Of Brooklyn // The Western Union Tblegeapit Company, Of New York, N. Y.
PDF File 1817737.pdf 595 kB Shaun Ewing Aug 04, 1931 00:00
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US-1817737-A // Potential distributing block // Demonet Eugene A. ; Copenhaver Preston S. // Western Union Telegraph Co
PDF File 2259523.pdf 594 kB Shaun Ewing Oct 21, 1941 00:00
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US-2259523-A // Printing telegraph repeater // Hiltz George S. // Western Union Telegraph Co
PDF File 1092982.pdf 592 kB Shaun Ewing Apr 14, 1914 00:00
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US-1092982-A // Pneumatic transmission system. // Fernand E. D'Humy // Western Union Telegraph Co
PDF File 1962713.pdf 592 kB Shaun Ewing Jun 12, 1934 00:00
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US-1962713-A // Double drag conveyer // Griffith Francis // Western Union Telegraph Co
PDF File 1932977.pdf 592 kB Shaun Ewing Oct 31, 1933 00:00
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US-1932977-A // Display apparatus for bulletin printers // Long James W. ; Collings Thomas G. // Western Union Telegraph Co
PDF File 1943683.pdf 591 kB Shaun Ewing Jan 16, 1934 00:00
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US-1943683-A // Signal repeater // Long James W. // Western Union Telegraph Co
PDF File 2030814.pdf 590 kB Shaun Ewing Feb 11, 1936 00:00
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US-2030814-A // Testing the susceptibility of telegraph lines to interference // Erickson George L. ; Christoffel John J. // Western Union Telegraph Co
PDF File 1744566.pdf 589 kB Shaun Ewing Jan 21, 1930 00:00
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US-1744566-A // Ground-resistance test set // Mott Everett V. ; Rovere Lewis H. ; Rowland Davidge H. // Western Union Telegraph Co
PDF File 1640325.pdf 588 kB Shaun Ewing Aug 23, 1927 00:00
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US-1640325-A // Messenger-call circuits and switching apparatus therefor // Janson George W. // Western Union Telegraph Co
PDF File 2281996.pdf 587 kB Shaun Ewing May 05, 1942 00:00
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US-2281996-A // Submarine cable amplifying system // Randall Gerald A. ; Jr. James E. Rice, // Western Union Telegraph Co
PDF File 2216772.pdf 586 kB Shaun Ewing Oct 08, 1940 00:00
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US-2216772-A // Telegraph transmitting system // Franklin Lawrence W. // Western Union Telegraph Co
PDF File 2224902.pdf 585 kB Shaun Ewing Dec 17, 1940 00:00
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US-2224902-A // Electrical terminal and switchboard terminal block // Currie Frank Leslie ; Rovere Lewis H. // Western Union Telegraph Co
PDF File 2056156.pdf 585 kB Shaun Ewing Oct 06, 1936 00:00
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US-2056156-A // Constant temperature oven // Buckingham William D. ; Parker Leighland F. // Western Union Telegraph Co
PDF File 1881452.pdf 582 kB Shaun Ewing Oct 11, 1932 00:00
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US-1881452-A // Automatic stop for telegraph transmitters // Franklin Laurence W. // Western Union Telegraph Co
PDF File 2375820.pdf 581 kB Shaun Ewing May 15, 1945 00:00
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US-2375820-A // Adjustable stylus for facsimile recorders // Ridings Garvice H. ; Wise Raleigh J. // Western Union Telegraph Co
PDF File 1980324.pdf 581 kB Shaun Ewing Nov 13, 1934 00:00
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US-1980324-A // Web controlling mechanism for page projectors // Dirkes Robert F. ; Wentworth Rollins // Western Union Telegraph Co
PDF File 2071713.pdf 580 kB Shaun Ewing Feb 23, 1937 00:00
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US-2071713-A // Terminal clip and distributing block // Jr. John B. Terrill, // Western Union Telegraph Co
PDF File 1966354.pdf 580 kB Shaun Ewing Jul 10, 1934 00:00
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US-1966354-A // High speed telegraph system // Noxon Paul A. // Western Union Telegraph Co
PDF File 1519870.pdf 579 kB Shaun Ewing Dec 16, 1924 00:00
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US-1519870-A // Balancing ocean-cable system // Milnor Joseph W. // Western Union Telegraph Co
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