Name Size Creator Creation Date Labels Comment  
PDF File 1598663.pdf 541 kB Shaun Ewing Sept 07, 1926 00:00
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US-1598663-A // Multiplex radio telegraphy and telephony // Stone John Stone // American Telephone & Telegraph
PDF File 1598673.pdf 609 kB Shaun Ewing Sept 07, 1926 00:00
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US-1598673-A // Secrecy communication system // Blackwell Otto B. ; Martin De Loss K. ; Vernam Gilbert S. // American Telephone & Telegraph
PDF File 1598694.pdf 622 kB Shaun Ewing Sept 07, 1926 00:00
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US-1598694-A // Electrical regulator // Shackleton Samuel P. // American Telephone & Telegraph
PDF File 1599445.pdf 718 kB Shaun Ewing Sept 14, 1926 00:00
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US-1599445-A // Alternating-current printing-telegraph system // Watson Edward F. // American Telephone & Telegraph
PDF File 1599453.pdf 492 kB Shaun Ewing Sept 14, 1926 00:00
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US-1599453-A // Antenna structure // Affel Herman A. // American Telephone & Telegraph
PDF File 1599499.pdf 267 kB Shaun Ewing Sept 14, 1926 00:00
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US-1599499-A // Battery light // John Everett St. // American Telephone & Telegraph
PDF File 1600274.pdf 589 kB Shaun Ewing Sept 21, 1926 00:00
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US-1600274-A // Telephone-transmission circuits // Crisson George // American Telephone & Telegraph
PDF File 1600283.pdf 535 kB Shaun Ewing Sept 21, 1926 00:00
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US-1600283-A // Artificial line // Hitchcock Harry W. // American Telephone & Telegraph
PDF File 1600290.pdf 454 kB Shaun Ewing Sept 21, 1926 00:00
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US-1600290-A // Wave filter // Martin William H. // American Telephone & Telegraph
PDF File 1601021.pdf 367 kB Shaun Ewing Sept 28, 1926 00:00
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US-1601021-A // Superimposed ringing system // Holden William H. T. // American Telephone & Telegraph
PDF File 1601023.pdf 1.10 MB Shaun Ewing Sept 28, 1926 00:00
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US-1601023-A // Electrical signaling system // Hoyt Ray S. // American Telephone & Telegraph
PDF File 1601037.pdf 607 kB Shaun Ewing Sept 28, 1926 00:00
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US-1601037-A // Artificial line // Nyquist Harry // American Telephone & Telegraph
PDF File 1601796.pdf 101 kB Shaun Ewing Oct 05, 1926 00:00
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US-1601796-A // Nail expansion anchor // Gordon George B. // American Telephone & Telegraph
PDF File 1601808.pdf 924 kB Shaun Ewing Oct 05, 1926 00:00
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US-1601808-A // Multiplex signaling system // Nyquist Harry // American Telephone & Telegraph
PDF File 1602469.pdf 901 kB Shaun Ewing Oct 12, 1926 00:00
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US-1602469-A // Electrical transmission of pictures // Watson Edward F. ; Weaver Allan // American Telephone & Telegraph
PDF File 1603305.pdf 803 kB Shaun Ewing Oct 19, 1926 00:00
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US-1603305-A // Electrical network and method of transmitting electric currents // Zobel Otto J. // American Telephone & Telegraph
PDF File 1603319.pdf 491 kB Shaun Ewing Oct 19, 1926 00:00
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US-1603319-A // Telephone repeater // Clark Alva B. // American Telephone & Telegraph
PDF File 1603329.pdf 368 kB Shaun Ewing Oct 19, 1926 00:00
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US-1603329-A // Tapered filter for alternating currents of varying frequency // Dietze Eginhard // American Telephone & Telegraph
PDF File 1604140.pdf 422 kB Shaun Ewing Oct 26, 1926 00:00
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US-1604140-A // Multifrequency oscillator // Affel Herman A. // American Telephone & Telegraph
PDF File 1604163.pdf 631 kB Shaun Ewing Oct 26, 1926 00:00
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US-1604163-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph
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