Name Size Creator Creation Date Labels Comment  
PDF File 1276794.pdf 897 kB Shaun Ewing Aug 27, 1918 00:00
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US-1276794-A // Perforating apparatus. // Donald Murray // Western Union Telegraph Co
PDF File 1275559.pdf 2.67 MB Shaun Ewing Aug 13, 1918 00:00
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US-1275559-A // Auxiliary signal arrangement for printing-telegraph systems. // Walter A. Houghtaling // Western Union Telegraph Co
PDF File 1254910.pdf 438 kB Shaun Ewing Jan 29, 1918 00:00
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US-1254910-A // Means for compensating for disturbances of earth potential. // Paul J. Howe // 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 1254830.pdf 552 kB Shaun Ewing Jan 29, 1918 00:00
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US-1254830-A // Means for compensating for disturbances of earth potential. // Joseph W. Milnor // Western Union Telegraph Co
PDF File 1254829.pdf 677 kB Shaun Ewing Jan 29, 1918 00:00
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US-1254829-A // Means for compensating for disturbances of earth potential. // Joseph W. Milnor // 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 1253889.pdf 738 kB Shaun Ewing Jan 15, 1918 00:00
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US-1253889-A // Mechanical phase-corrector for multiplex-telegraph distributers. // Samuel W. Rothermel // Western Union Telegraph Co
PDF File 1225346.pdf 203 kB Shaun Ewing May 08, 1917 00:00
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US-1225346-A // Gravity-battery electrode. // Patrick T. Macnamara // Western Union Telegraph Co
PDF File 1224359.pdf 260 kB Shaun Ewing May 01, 1917 00:00
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US-1224359-A // Contact arrangement for call-boxes and other transmitters. // Allison A. Clokey // Western Union Telegraph Co
PDF File 1215605.pdf 1.05 MB Shaun Ewing Feb 13, 1917 00:00
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US-1215605-A // Means for synchronizing rotary devices. // George M. Yorke ; George R. Benjamin // Western Union Telegraph Co
PDF File 1215604.pdf 1.29 MB Shaun Ewing Feb 13, 1917 00:00
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US-1215604-A // Automatic printer. // George M. Yorke // Western Union Telegraph Co
PDF File 1196335.pdf 1.19 MB Shaun Ewing Aug 29, 1916 00:00
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US-1196335-A // Recorder. // Allison A. Clokey // Western Union Telegraph Co
PDF File 1191933.pdf 718 kB Shaun Ewing Jul 18, 1916 00:00
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US-1191933-A // Means for synchronizing rotary devices. // George M. Yorke ; George R. Benjamin // Western Union Telegraph Co
PDF File 1174029.pdf 325 kB Shaun Ewing Feb 29, 1916 00:00
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US-1174029-A // Telegraphy. // William Finn // Western Union Telegraph Co
PDF File 1170556.pdf 1.18 MB Shaun Ewing Feb 08, 1916 00:00
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US-1170556-A // Keyboard apparatus. // Donald Murray // Western Union Telegraph Co
PDF File 1164274.pdf 868 kB Shaun Ewing Dec 14, 1915 00:00
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US-1164274-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co
PDF File 1164069.pdf 551 kB Shaun Ewing Dec 14, 1915 00:00
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US-1164069-A // Call-box. // Allison A. Clokey // Western Union Telegraph Co
PDF File 1160097.pdf 724 kB Shaun Ewing Nov 09, 1915 00:00
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US-1160097-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co
PDF File 1114905.pdf 2.13 MB Shaun Ewing Oct 27, 1914 00:00
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US-1114905-A // Printing-telegraph system. // Donald Murray // Western Union Telegraph Co
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