Name Size Creator Creation Date Labels Comment  
PDF File 1881787.pdf 281 kB Shaun Ewing Oct 11, 1932 00:00
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US-1881787-A // Method of perforating the lead sheathing of conductor cables // Mample Adolph Z. ; Hobert Edward J. // Western Union Telegraph Co
PDF File 235142.pdf 281 kB Shaun Ewing Dec 07, 1880 00:00
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US-235142-A // Thomas a // Thomas A. Edison, Op New Jersey // Western Union Telegraph Co, Of New York, N. Y.
PDF File 2219261.pdf 280 kB Shaun Ewing Oct 22, 1940 00:00
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US-2219261-A // Process of activating the carbon monoxide adsorption property of platinum black powder // Mample Adolph Z. // Western Union Telegraph Co
PDF File 499911.pdf 280 kB Shaun Ewing Jun 20, 1893 00:00
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US-499911-A // Thomas t // Thomas T. Eckert, Of N. Y. And George B. Scott Of Lakewood New Jersey // Western Union Telegraph Co, Of New York, N.
PDF File 1776068.pdf 278 kB Shaun Ewing Sept 16, 1930 00:00
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US-1776068-A // Selective pneumatic-tube carrier // Francis William H. // Western Union Telegraph Co
PDF File 2296401.pdf 276 kB Shaun Ewing Sept 22, 1942 00:00
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US-2296401-A // Wood preservative // Perkins Hugh C. // Western Union Telegraph Co
PDF File 2276952.pdf 273 kB Shaun Ewing Mar 17, 1942 00:00
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US-2276952-A // Wave transmission system // Franklin Lawrence W. // Western Union Telegraph Co
PDF File 332551.pdf 272 kB Shaun Ewing Dec 15, 1885 00:00
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US-332551-A // -nicholson // Henby G. Nicholson, Of Ohio // The Western Union Telegeaph Company, Op New Yoek, N. Y.
PDF File 1624930.pdf 271 kB Shaun Ewing Apr 19, 1927 00:00
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US-1624930-A // Wood preservative // Curtin Leo P. // Western Union Telegraph Co
PDF File 203013.pdf 268 kB Shaun Ewing Apr 30, 1878 00:00
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US-203013-A // Improvement in speaking-telegraphs // Thomas A. Edison, Of New Jersey // Western Union Telegraph Co, Of New York, N. Y.
PDF File 474232.pdf 266 kB Shaun Ewing May 03, 1892 00:00
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US-474232-A // Thomas a // Thomas A. Edison", Of New Jersey // Western Union Telegraph Co, Op New York, N. Y.
PDF File 811996.pdf 263 kB Shaun Ewing Feb 06, 1906 00:00
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US-811996-A // Relay. // John C. Barclay // Western Union Telegraph Co
PDF File 2046962.pdf 263 kB Shaun Ewing Jul 07, 1936 00:00
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US-2046962-A // Circuit protecting system // Mott Everett V. // Western Union Telegraph Co
PDF File 1473582.pdf 262 kB Shaun Ewing Nov 06, 1923 00:00
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US-1473582-A // Pole cleaning and shaving machine // Leedom Randolph // Western Union Telegraph Co
PDF File 343953.pdf 262 kB Shaun Ewing Jun 15, 1886 00:00
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US-343953-A // Stephen d // Stephen D. Field, Of St. Y. // Western Union Telegraph Co. Of Same Place.
PDF File 1559507.pdf 262 kB Shaun Ewing Oct 27, 1925 00:00
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US-1559507-A // Preserving ground-line section of poles // Leedom Randolph // Western Union Telegraph Co
PDF File 1350279.pdf 260 kB Shaun Ewing Aug 17, 1920 00:00
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US-1350279-A // Adjustable condenser // Howe Paul J. // 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 1969992.pdf 259 kB Shaun Ewing Aug 14, 1934 00:00
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US-1969992-A // Protector for electric circuits // Rovere Lewis H. ; Mott Everett V. ; Ayers Robert C. // Western Union Telegraph Co
PDF File 208299.pdf 257 kB Shaun Ewing Sept 24, 1878 00:00
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US-208299-A // Improvement in speaking-telephones // Thomas A. Edison, Of New Jeesey // Western-union Telegeaph Company, Of New Yoek, N. Y.
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