Name Size Creator Creation Date Labels Comment  
PDF File 3391386.pdf 987 kB Shaun Ewing Jul 02, 1968 00:00
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US-3391386-A // Card data transmitter circuit // Duswalt Ronald J. // Western Union Telegraph Co
PDF File 3388378.pdf 4.24 MB Shaun Ewing Jun 11, 1968 00:00
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US-3388378-A // Error detection and correction apparatus for duplex communication system // Steeneck Robert ; Cowan John R. // 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
PDF File 3374309.pdf 3.77 MB Shaun Ewing Mar 19, 1968 00:00
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US-3374309-A // Duplex way station selector // Elich John ; Kempf Vincent C. // Western Union Telegraph Co
PDF File 3366914.pdf 315 kB Shaun Ewing Jan 30, 1968 00:00
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US-3366914-A // Solderless connector for printed board circuits // John J. Mcmanus ; Ralph Rosen // Western Union Telegraph Co
PDF File 3363191.pdf 676 kB Shaun Ewing Jan 09, 1968 00:00
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US-3363191-A // Data transmission amplifier // Boughtwood John E. ; Harris Harold // Western Union Telegraph Co
PDF File 3355663.pdf 678 kB Shaun Ewing Nov 28, 1967 00:00
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US-3355663-A // Waveguide echo measurement system // Aronoff Ethan // Western Union Telegraph Co
PDF File 3341192.pdf 1.01 MB Shaun Ewing Sept 12, 1967 00:00
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US-3341192-A // Automatic sheet transport means for message scanning apparatus // Mcmahon John L. // 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 3330905.pdf 355 kB Shaun Ewing Jul 11, 1967 00:00
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US-3330905-A // Telegraph polar adapter // Firth Francis R. // Western Union Telegraph Co
PDF File 3319150.pdf 334 kB Shaun Ewing May 09, 1967 00:00
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US-3319150-A // Solid state regulated power supply // Elich John ; Mcmanus John J. // Western Union Telegraph Co
PDF File 3313884.pdf 1.00 MB Shaun Ewing Apr 11, 1967 00:00
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US-3313884-A // Receiver synchronized and controlled facsimile system // Hackenberg John H. ; Ridings Garvice H. // Western Union Telegraph Co
PDF File 3304500.pdf 1.78 MB Shaun Ewing Feb 14, 1967 00:00
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US-3304500-A // Fsk system including means for distributing data pulses into two channels to modulate two separate carrier frequencies // Likel Harry C. // Western Union Telegraph Co
PDF File 3304367.pdf 1.15 MB Shaun Ewing Feb 14, 1967 00:00
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US-3304367-A // Regenerative repeater // Elich John ; Masciandaro Frank J. // Western Union Telegraph Co
PDF File 3301954.pdf 299 kB Shaun Ewing Jan 31, 1967 00:00
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US-3301954-A // Blank deleter // Krakusky James J. // Western Union Telegraph Co
PDF File 3296622.pdf 805 kB Shaun Ewing Jan 03, 1967 00:00
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US-3296622-A // Sheet holding and releasing assembly for facsimile scanner drum // Ridings Garvice H. ; Zabriskie Douglas M. // Western Union Telegraph Co
PDF File 3280255.pdf 348 kB Shaun Ewing Oct 18, 1966 00:00
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US-3280255-A // Switching adapter // Ghiringhelli Robert J. // Western Union Telegraph Co
PDF File 3271576.pdf 421 kB Shaun Ewing Sept 06, 1966 00:00
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US-3271576-A // Photoelectric matrix network // Turner Frank T. // Western Union Telegraph Co
PDF File 3270134.pdf 376 kB Shaun Ewing Aug 30, 1966 00:00
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US-3270134-A // Automatic carriage return and line feed mechanism // Krakusky James J. // Western Union Telegraph Co
PDF File 3266047.pdf 824 kB Shaun Ewing Aug 09, 1966 00:00
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US-3266047-A // Belt drive assembly for facsimile recorder // Zabriskie Douglas M. // Western Union Telegraph Co
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