Name Size Creator Creation Date Labels Comment  
PDF File 1928482.pdf 1.05 MB Shaun Ewing Sept 26, 1933 00:00
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US-1928482-A // Conveyer transfer mechanism // Creedon Michael V. // Western Union Telegraph Co
PDF File 1928478.pdf 606 kB Shaun Ewing Sept 26, 1933 00:00
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US-1928478-A // Printing telegraph system // Breyfogel Albert W. // Western Union Telegraph Co
PDF File 1924050.pdf 1.13 MB Shaun Ewing Aug 22, 1933 00:00
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US-1924050-A // Correcting mechanism for synchronous apparatus // Pierson Oscar E. // 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 1921990.pdf 1.20 MB Shaun Ewing Aug 08, 1933 00:00
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US-1921990-A // Motor control circuit for telegraph printers // Hewitt Ernest W. ; Rothermel Samuel W. // Western Union Telegraph Co
PDF File 1919175.pdf 575 kB Shaun Ewing Jul 18, 1933 00:00
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US-1919175-A // Terminal for drag conveyers // Smith Maurice B. // Western Union Telegraph Co
PDF File 1919169.pdf 1.01 MB Shaun Ewing Jul 18, 1933 00:00
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US-1919169-A // Drag conveyer discharge // Plausics Alexander // Western Union Telegraph Co
PDF File 1919161.pdf 252 kB Shaun Ewing Jul 18, 1933 00:00
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US-1919161-A // Pilot lamp arrangement for multiplex telegraph printers // Franklin Laurence W. ; Maus Frank J. // Western Union Telegraph Co
PDF File 1918203.pdf 245 kB Shaun Ewing Jul 11, 1933 00:00
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US-1918203-A // Speed governor for alternating current motors // Wise Raleigh J. // Western Union Telegraph Co
PDF File 1918199.pdf 404 kB Shaun Ewing Jul 11, 1933 00:00
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US-1918199-A // Electric switch // Ward Harley M. // Western Union Telegraph Co
PDF File 1917195.pdf 1.02 MB Shaun Ewing Jul 04, 1933 00:00
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US-1917195-A // Extended channel system // Noxon Paul A. // Western Union Telegraph Co
PDF File 1916168.pdf 1.84 MB Shaun Ewing Jun 27, 1933 00:00
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US-1916168-A // Telegraph receiving apparatus // Dirkes Robert F. ; Wheeler Evan R. // Western Union Telegraph Co
PDF File 1914328.pdf 1.23 MB Shaun Ewing Jun 13, 1933 00:00
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US-1914328-A // Telegraph repeater for uniform impulse code // Haglund Hakon H. // Western Union Telegraph Co
PDF File 1914114.pdf 209 kB Shaun Ewing Jun 13, 1933 00:00
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US-1914114-A // Electrolytic cell // Estes Phillip H. // Western Union Telegraph Co
PDF File 1913331.pdf 710 kB Shaun Ewing Jun 06, 1933 00:00
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US-1913331-A // Tuning fork drive // Buckingham William D. // Western Union Telegraph Co
PDF File 1913307.pdf 1.32 MB Shaun Ewing Jun 06, 1933 00:00
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US-1913307-A // Telegraph system adapted for ocean cable telegraphy // Haglund Hakon H. // Western Union Telegraph Co
PDF File 1912343.pdf 424 kB Shaun Ewing May 30, 1933 00:00
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US-1912343-A // Tuning fork temperature compensation and frequency adjustment // Buckingham William D. // Western Union Telegraph Co
PDF File 1912183.pdf 853 kB Shaun Ewing May 30, 1933 00:00
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US-1912183-A // Transmitter for automatic telegraph systems // Dirkes Robert F. ; Wheeler Evan R. // 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
PDF File 1911133.pdf 242 kB Shaun Ewing May 23, 1933 00:00
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US-1911133-A // Self-biasing relay circuit // Pollard Leon G. // Western Union Telegraph Co
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