Name Size Creator Creation Date Labels Comment  
PDF File 1352308.pdf 835 kB Shaun Ewing Sept 07, 1920 00:00
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US-1352308-A // Paper-feed mechanism for printing-telegraphs, &c. // Murray Donald // Western Union Telegraph Co
PDF File 1801884.pdf 834 kB Shaun Ewing Apr 21, 1931 00:00
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US-1801884-A // Telegraph coupon printer // Sortore Emerson J. // Western Union Telegraph Co
PDF File 2528005.pdf 830 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528005-A // Electrosensitive recording blank // Kline Bernard L. // Western Union Telegraph Co
PDF File 1996042.pdf 828 kB Shaun Ewing Mar 26, 1935 00:00
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US-1996042-A // Measurement of telegraph interference // Erickson George L. ; Hackenberg John H. // Western Union Telegraph Co
PDF File 2304775.pdf 826 kB Shaun Ewing Dec 15, 1942 00:00
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US-2304775-A // Telegraph switching system // Blanton William B. // Western Union Telegraph Co
PDF File 1817717.pdf 823 kB Shaun Ewing Aug 04, 1931 00:00
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US-1817717-A // Rotary distributor // Steeneck Robert // Western Union Telegraph Co
PDF File 282296.pdf 822 kB Shaun Ewing Jul 31, 1883 00:00
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US-282296-A // Dynamo-telegraphy // Stephen" D. Field, Op N\ Y. // Western Union Telegraph Co, Of Same Place.
PDF File 1934617.pdf 816 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934617-A // Conveyer system // Birkmeyer Paul J. // Western Union Telegraph Co
PDF File 2057680.pdf 812 kB Shaun Ewing Oct 20, 1936 00:00
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US-2057680-A // Receiving channel assigner // Haglund Hakon H. // Western Union Telegraph Co
PDF File 2401343.pdf 811 kB Shaun Ewing Jun 04, 1946 00:00
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US-2401343-A // Automatic signal bias correction // Erickson George L. // Western Union Telegraph Co
PDF File 1843909.pdf 810 kB Shaun Ewing Feb 09, 1932 00:00
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US-1843909-A // Start stop printing telegraph system // Angel Herbert ; Robinson James W. // Western Union Telegraph Co
PDF File 1254828.pdf 809 kB Shaun Ewing Jan 29, 1918 00:00
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US-1254828-A // Method of and means for compensating for disturbances of earth potential. // Joseph W. Milnor // Western Union Telegraph Co
PDF File 1855153.pdf 806 kB Shaun Ewing Apr 19, 1932 00:00
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US-1855153-A // Automatic timing control for manually operated transmitters for ticker or step-by-step telegraph systems // Myer Percy L. // Western Union Telegraph Co
PDF File 2229091.pdf 803 kB Shaun Ewing Jan 21, 1941 00:00
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US-2229091-A // Telegraphic transmission of intelligence // Kline Bernard L. // Western Union Telegraph Co
PDF File 2295636.pdf 799 kB Shaun Ewing Sept 15, 1942 00:00
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US-2295636-A // Metering system // Currie Frank Leslie // Western Union Telegraph Co
PDF File 1254831.pdf 797 kB Shaun Ewing Jan 29, 1918 00:00
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US-1254831-A // Method of and means for correcting for alternating-current electromagnetic induction and for alternating-current earth potential. // Joseph W. Milnor // Western Union Telegraph Co
PDF File 942814.pdf 795 kB Shaun Ewing Dec 07, 1909 00:00
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US-942814-A // Multiplex telegraph. // Stephen D. Field // Western Union Telegraph Co
PDF File 2209326.pdf 793 kB Shaun Ewing Jul 30, 1940 00:00
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US-2209326-A // Facsimile telegraph system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co
PDF File 1923052.pdf 793 kB Shaun Ewing Aug 15, 1933 00:00
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US-1923052-A // Pneumatic conveyer relay or terminal // Chulstrom John M. // Western Union Telegraph Co
PDF File 1699444.pdf 791 kB Shaun Ewing Jan 15, 1929 00:00
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US-1699444-A // Synchronized quadruplex telegraphy // Peterman William C. // Western Union Telegraph Co
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