Name Size Creator Creation Date Labels Comment  
PDF File 2555321.pdf 561 kB Shaun Ewing Jun 05, 1951 00:00
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US-2555321-A // Facsimile recording paper // Dalton Harold R. ; Cooley Austin G. // Western Union Telegraph Co
PDF File 2966633.pdf 560 kB Shaun Ewing Dec 27, 1960 00:00
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US-2966633-A // Delay and amplitude corrective system // Cannon William D. // Western Union Telegraph Co
PDF File 3170989.pdf 560 kB Shaun Ewing Feb 23, 1965 00:00
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US-3170989-A // Telegraph signal display device // Johnson William V. ; Scimeca Anthony J. // Western Union Telegraph Co
PDF File 3465960.pdf 544 kB Shaun Ewing Sept 09, 1969 00:00
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US-3465960-A // Multi-stylus assembly // Oscar W. Swenson // Western Union Telegraph Co
PDF File 2912496.pdf 543 kB Shaun Ewing Nov 10, 1959 00:00
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US-2912496-A // Facsimile telegraph apparatus // Jr. Charles Jelinek, // Western Union Telegraph Co
PDF File 3581120.pdf 541 kB Shaun Ewing May 25, 1971 00:00
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US-3581120-A // Schmitt trigger circuit with variable hysteresis and insensitivity to temperature change // Hans H. Nord // Western Union Telegraph Co
PDF File 2770517.pdf 540 kB Shaun Ewing Nov 13, 1956 00:00
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US-2770517-A // Facsimile scanning mechanism // Zabriskie Douglas M. // 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 2718548.pdf 523 kB Shaun Ewing Sept 20, 1955 00:00
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US-2718548-A // Variable blanking for facsimile transmitter // Jr. Charles Jelinek, // Western Union Telegraph Co
PDF File 2794856.pdf 516 kB Shaun Ewing Jun 04, 1957 00:00
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US-2794856-A // Transistorized keying and mark-hold unit // Turner Frank T. // Western Union Telegraph Co
PDF File 2794852.pdf 512 kB Shaun Ewing Jun 04, 1957 00:00
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US-2794852-A // Multiplex distributor // Jr. Frank J. Calderone, // Western Union Telegraph Co
PDF File 3333569.pdf 510 kB Shaun Ewing Aug 01, 1967 00:00
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US-3333569-A // Metering ribbon inker // Swenson Oscar W. // Western Union Telegraph Co
PDF File 3251005.pdf 505 kB Shaun Ewing May 10, 1966 00:00
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US-3251005-A // Transistor stabilized oscillator with tapped coil // Taylor Roland C. ; O'Brien Fred L. // Western Union Telegraph Co
PDF File 2966546.pdf 495 kB Shaun Ewing Dec 27, 1960 00:00
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US-2966546-A // Multiplex to teleprinter translator // Wilder Harold F. ; Fontaine Guy T. // Western Union Telegraph Co
PDF File 2789027.pdf 492 kB Shaun Ewing Apr 16, 1957 00:00
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US-2789027-A // Multiple stylus // Miller William E. ; Hallden Frederick G. // 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 2756389.pdf 485 kB Shaun Ewing Jul 24, 1956 00:00
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US-2756389-A // Resonant cavity wavemeter // Stinehelfer Harold E. // Western Union Telegraph Co
PDF File 3461276.pdf 477 kB Shaun Ewing Aug 12, 1969 00:00
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US-3461276-A // Reusable data card // Pasquale F.j. Recca // Western Union Telegraph Co
PDF File 2794854.pdf 461 kB Shaun Ewing Jun 04, 1957 00:00
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US-2794854-A // Multichannel communication system // Boughtwood John E. // Western Union Telegraph Co
PDF File 3381370.pdf 461 kB Shaun Ewing May 07, 1968 00:00
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US-3381370-A // Waveguide flanging method // Goonan Harry J. ; Fitzpatrick James K. // Western Union Telegraph Co
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