Name Size Creator Creation Date Labels Comment  
PDF File 3147342.pdf 2.12 MB Shaun Ewing Sept 01, 1964 00:00
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US-3147342-A // Synchronous adapter // Chojnowski Edward J. ; Woodward Robert J. // Western Union Telegraph Co
PDF File 3134848.pdf 4.68 MB Shaun Ewing May 26, 1964 00:00
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US-3134848-A // Waystation selection network // Light George G. ; Manning Edward F. ; Parr John C. ; Wolfson Robert B. // Western Union Telegraph Co
PDF File 3118789.pdf 492 kB Shaun Ewing Jan 21, 1964 00:00
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US-3118789-A // Electrically conductive coated paper // Wiswell Charles M. ; O'Brien Fred L. // Warren S D Co ; Western Union Telegraph Co
PDF File 3114003.pdf 3.27 MB Shaun Ewing Dec 10, 1963 00:00
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US-3114003-A // Self-regulating two-channel time division telegraph system // Wilder Harold F. // Western Union Telegraph Co
PDF File 3108845.pdf 529 kB Shaun Ewing Oct 29, 1963 00:00
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US-3108845-A // Adjustable stylus holder for facsimile recording // Zabriskie Douglas M. // Western Union Telegraph Co
PDF File 3101893.pdf 742 kB Shaun Ewing Aug 27, 1963 00:00
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US-3101893-A // Keypunch jam detector // Steeneck Robert // Western Union Telegraph Co
PDF File 3087010.pdf 10.13 MB Shaun Ewing Apr 23, 1963 00:00
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US-3087010-A // Automatic telegraph switching system // Turk John E. De ; Brown William G. ; Mcreynolds James R. ; Snyder Robert L. ; Fulkerson Lewis // Western Union Telegraph Co
PDF File 3083337.pdf 953 kB Shaun Ewing Mar 26, 1963 00:00
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US-3083337-A // Vestigial sideband transmission // Grimes Edgar S. // Western Union Telegraph Co
PDF File 3073898.pdf 1.68 MB Shaun Ewing Jan 15, 1963 00:00
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US-3073898-A // Electronic start-stop regenerative repeater // Wilder Harold F. ; Lewis Roy K. // Western Union Telegraph Co
PDF File 3061667.pdf 773 kB Shaun Ewing Oct 30, 1962 00:00
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US-3061667-A // Telegraph pole line insulator // Markley William F. ; Slater James L. // Western Union Telegraph Co
PDF File 3060799.pdf 797 kB Shaun Ewing Oct 30, 1962 00:00
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US-3060799-A // Ticker tape projection system // Myer Percy L. // Western Union Telegraph Co
PDF File 3057956.pdf 8.00 MB Shaun Ewing Oct 09, 1962 00:00
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US-3057956-A // Telegraph switching system // Adams Myron D. ; Johnson Claude W. ; Chojnowski Edward J. ; Eisner Albert M. ; Elich John ; Glick Harold // Western Union Telegraph Co
PDF File 3056034.pdf 1.80 MB Shaun Ewing Sept 25, 1962 00:00
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US-3056034-A // Facsimile transmitter // Buckingham William D. ; Lane Norman R. ; Ridge Guy H. ; Turner Frank T. // Western Union Telegraph Co
PDF File 3048702.pdf 620 kB Shaun Ewing Aug 07, 1962 00:00
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US-3048702-A // Photoelectric balanced modulator // Worthen George B. ; Jr. Charles Jelinek, // Western Union Telegraph Co
PDF File 3039104.pdf 989 kB Shaun Ewing Jun 12, 1962 00:00
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US-3039104-A // Copy marker in facsimile apparatus // Zabriskie Douglas M. // Western Union Telegraph Co
PDF File 3038962.pdf 455 kB Shaun Ewing Jun 12, 1962 00:00
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US-3038962-A // Line feed detector // Ortiz Andre A. // Western Union Telegraph Co
PDF File 3038961.pdf 1.97 MB Shaun Ewing Jun 12, 1962 00:00
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US-3038961-A // System for detecting errors in telegraph transmission // Walker Donald J. ; Leonard Robert H. // Western Union Telegraph Co
PDF File 3033925.pdf 875 kB Shaun Ewing May 08, 1962 00:00
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US-3033925-A // Loop gate transmitter // Recca Pasquale Frank ; Swenson Oscar W. ; Jr. William V. Johnson, // Western Union Telegraph Co
PDF File 3028570.pdf 384 kB Shaun Ewing Apr 03, 1962 00:00
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US-3028570-A // Ferrite inductance cores // Taylor Roland C. // Western Union Telegraph Co
PDF File 3017464.pdf 913 kB Shaun Ewing Jan 16, 1962 00:00
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US-3017464-A // Frequency shift modulation receiver // Boughtwood John E. ; Grybowski Thaddeus M. // Western Union Telegraph Co
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