Name Size Creator Creation Date Labels Comment  
PDF File 2790928.pdf 886 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790928-A // Electron discharge devices of the klystron type // Reed Eugene D. // Bell Telephone Labor Inc
PDF File 2790956.pdf 868 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790956-A // Distortion corrector // Ketchledge Raymond W. // Bell Telephone Labor Inc
PDF File 2790965.pdf 812 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790965-A // Voice frequency alarm and remote control system // Schenck Alfred K. // Bell Telephone Labor Inc
PDF File 2790927.pdf 691 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790927-A // Traveling wave slicer tube // Pierce John R. // Bell Telephone Labor Inc
PDF File 2790645.pdf 681 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790645-A // Magnetic recording system // Buhrendorf Frederick G. // Bell Telephone Labor Inc
PDF File 2790952.pdf 635 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790952-A // Method of optically testing semiconductor junctions // Pietenpol William J. // Bell Telephone Labor Inc
PDF File 2790926.pdf 627 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790926-A // Traveling wave tube // Morton Jack A. // Bell Telephone Labor Inc
PDF File 2790850.pdf 432 kB Shaun Ewing Apr 30, 1957 00:00
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US-2790850-A // Total calls registration arrangement for telephone systems // Roberts Stanley // Bell Telephone Labor Inc
PDF File 2790037.pdf 3.16 MB Shaun Ewing Apr 23, 1957 00:00
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US-2790037-A // Semiconductor signal translating devices // Shockley William // Bell Telephone Labor Inc
PDF File 2790170.pdf 1000 kB Shaun Ewing Apr 23, 1957 00:00
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US-2790170-A // Indicating system // Tinus William C. // Bell Telephone Labor Inc
PDF File 2790127.pdf 688 kB Shaun Ewing Apr 23, 1957 00:00
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US-2790127-A // Regulated rectifying apparatus // Hamilton Billy H. // Bell Telephone Labor Inc
PDF File 2790109.pdf 593 kB Shaun Ewing Apr 23, 1957 00:00
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US-2790109-A // Shift register circuits // Hamilton Billy H. // Arthur J Ruhlig ; Bell Telephone Labor Inc
PDF File 2790088.pdf 480 kB Shaun Ewing Apr 23, 1957 00:00
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US-2790088-A // Alternating current gate // Shive John N. // Bell Telephone Labor Inc
PDF File 2790105.pdf 428 kB Shaun Ewing Apr 23, 1957 00:00
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US-2790105-A // Traveling wave tubes // Hines Marion E. ; Rice Philip J. // Bell Telephone Labor Inc
PDF File 2790034.pdf 346 kB Shaun Ewing Apr 23, 1957 00:00
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US-2790034-A // Semiconductor signal translating devices // Jr. Kenneth B. Mcafee, // Bell Telephone Labor Inc
PDF File 2789267.pdf 1.11 MB Shaun Ewing Apr 16, 1957 00:00
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US-2789267-A // System for testing pulse generators // Beal Dick H. ; Pomeroy Richard C. ; Robertson Gordon H. ; Zinn Daniel M. // Bell Telephone Labor Inc
PDF File 2789254.pdf 1.09 MB Shaun Ewing Apr 16, 1957 00:00
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US-2789254-A // Lightning protection circuits // Bodle David W. ; Jr. James B. Hays, // Bell Telephone Labor Inc
PDF File 2789271.pdf 1.02 MB Shaun Ewing Apr 16, 1957 00:00
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US-2789271-A // Hybrid ring coupling arrangement // Budenbom Horace T. // Bell Telephone Labor Inc
PDF File 2789217.pdf 354 kB Shaun Ewing Apr 16, 1957 00:00
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US-2789217-A // Frequency dividing electrical circuit // Lacy Lester Y. // Bell Telephone Labor Inc
PDF File 2788496.pdf 1.20 MB Shaun Ewing Apr 09, 1957 00:00
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US-2788496-A // Active transducer // Linvill John G. // Bell Telephone Labor Inc
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