Name Size Creator Creation Date Labels Comment  
PDF File 1954624.pdf 444 kB Shaun Ewing Apr 10, 1934 00:00
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US-1954624-A // Balancing and testing telegraph circuits // Hackenberg John H. // Western Union Telegraph Co
PDF File 1954626.pdf 287 kB Shaun Ewing Apr 10, 1934 00:00
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US-1954626-A // Signaling system // Janson George W. // Western Union Telegraph Co
PDF File 1955090.pdf 372 kB Shaun Ewing Apr 17, 1934 00:00
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US-1955090-A // Tape lifter for hand tape moisteners // Porter James F. // Western Union Telegraph Co
PDF File 1956534.pdf 438 kB Shaun Ewing Apr 24, 1934 00:00
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US-1956534-A // Sealed terminal for insulated cables // Mample Adolph Z. // Western Union Telegraph Co
PDF File 1956538.pdf 235 kB Shaun Ewing Apr 24, 1934 00:00
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US-1956538-A // Measuring resistance of distant grounds from alpha central office // Ridings Garvice H. ; Agnew Edward J. // Western Union Telegraph Co
PDF File 1958361.pdf 186 kB Shaun Ewing May 08, 1934 00:00
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US-1958361-A // Method of locating faults in cable conductors // Estes Phillip H. ; Mcginnis Orris // Western Union Telegraph Co
PDF File 1960577.pdf 398 kB Shaun Ewing May 29, 1934 00:00
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US-1960577-A // Projecting system // Dirkes Robert F. // Western Union Telegraph Co
PDF File 1961111.pdf 763 kB Shaun Ewing May 29, 1934 00:00
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US-1961111-A // Switchboard terminal block // Rovere Lewis H. ; Mott Everett V. // Western Union Telegraph Co
PDF File 196248.pdf 504 kB Shaun Ewing Oct 16, 1877 00:00
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US-196248-A // Improvement in quadruplex telegraphs // Heney C.. Nicholson, Op Ky. // The Westeen Union Telegraph Company, Op New York City.
PDF File 1962713.pdf 592 kB Shaun Ewing Jun 12, 1934 00:00
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US-1962713-A // Double drag conveyer // Griffith Francis // Western Union Telegraph Co
PDF File 1963618.pdf 506 kB Shaun Ewing Jun 19, 1934 00:00
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US-1963618-A // Telegraph receiving system // Fluharty William G. // Western Union Telegraph Co
PDF File 1966354.pdf 580 kB Shaun Ewing Jul 10, 1934 00:00
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US-1966354-A // High speed telegraph system // Noxon Paul A. // Western Union Telegraph Co
PDF File 1966386.pdf 1.10 MB Shaun Ewing Jul 10, 1934 00:00
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US-1966386-A // Method and means of transposing signals from one code to another // Haglund Hakon H. // Western Union Telegraph Co
PDF File 1967175.pdf 483 kB Shaun Ewing Jul 17, 1934 00:00
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US-1967175-A // Channel repeater for telegraph systems // Haglund Hakon H. // Western Union Telegraph Co
PDF File 1967177.pdf 915 kB Shaun Ewing Jul 17, 1934 00:00
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US-1967177-A // Tape take-up control mechanism // Hoover Ray ; Jr. Fred C. Collings, // Western Union Telegraph Co
PDF File 1967183.pdf 646 kB Shaun Ewing Jul 17, 1934 00:00
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US-1967183-A // Balancing ocean cables // Cannon William D. ; Milnor Joseph W. // Western Union Telegraph Co
PDF File 1968818.pdf 767 kB Shaun Ewing Aug 07, 1934 00:00
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US-1968818-A // Tape control for projectors // Dirkes Robert F. ; Roberts George I. // Western Union Telegraph Co
PDF File 1969073.pdf 417 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969073-A // Mechanism for straightening sheet material // Hamre John A. // Western Union Telegraph Co
PDF File 1969297.pdf 563 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969297-A // Tape control for projectors // Dirkes Robert F. ; Roberts George I. // Western Union Telegraph Co
PDF File 1969440.pdf 678 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969440-A // Telegraph recording and projecting system // Wheeler Evan R. ; Dirkes Robert F. // Western Union Telegraph Co
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