Name Size Creator Creation Date Labels Comment  
PDF File 2981837.pdf 398 kB Shaun Ewing Apr 25, 1961 00:00
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US-2981837-A // Low-loss microwave limiter // Ruthroff Clyde L. // Bell Telephone Labor Inc
PDF File 2981806.pdf 3.80 MB Shaun Ewing Apr 25, 1961 00:00
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US-2981806-A // Automatic service observer-recorder circuits // Middaugh Jack K. // Bell Telephone Labor Inc
PDF File 2981803.pdf 2.16 MB Shaun Ewing Apr 25, 1961 00:00
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US-2981803-A // Program switching system // Bachelet Albert E. ; Bibbins George S. ; Celentano Arnold J. ; Pullis George A. // Bell Telephone Labor Inc ; American Telephone & Telegraph
PDF File 2981796.pdf 1.49 MB Shaun Ewing Apr 25, 1961 00:00
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US-2981796-A // Self-timed regenerative repeaters for pcm // Lange Owen E. De // Bell Telephone Labor Inc
PDF File 2981647.pdf 547 kB Shaun Ewing Apr 25, 1961 00:00
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US-2981647-A // Fabrication of electrolytic capacitor // Schwartz Newton // Bell Telephone Labor Inc
PDF File 2981454.pdf 1.04 MB Shaun Ewing Apr 25, 1961 00:00
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US-2981454-A // Means for continuously passing cable including rigid housings through a caterpillar cable engine // Dickinson Frank R. ; Upthegrove Harry N. // Bell Telephone Labor Inc
PDF File 2981452.pdf 1.64 MB Shaun Ewing Apr 25, 1961 00:00
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US-2981452-A // Method of and means for continuously passing cable including rigid housings through a caterpillar cable engine // Baker Stanley W. ; Schwab Fredric W. // Bell Telephone Labor Inc
PDF File 2981074.pdf 1.15 MB Shaun Ewing Apr 25, 1961 00:00
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US-2981074-A // Underwater lowering device // Wilder Leslie N. // Bell Telephone Labor Inc
PDF File 2980899.pdf 1.33 MB Shaun Ewing Apr 18, 1961 00:00
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US-2980899-A // Digital to analog converter // Katz David // Bell Telephone Labor Inc
PDF File 2980897.pdf 273 kB Shaun Ewing Apr 18, 1961 00:00
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US-2980897-A // Current supply apparatus // Meszaros George W. // Bell Telephone Labor Inc
PDF File 2980863.pdf 673 kB Shaun Ewing Apr 18, 1961 00:00
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US-2980863-A // Ringing tone generator // Hussey Luther W. // Bell Telephone Labor Inc
PDF File 2980810.pdf 578 kB Shaun Ewing Apr 18, 1961 00:00
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US-2980810-A // Two-terminal semiconductive switch having five successive zones // Goldey James M. // Bell Telephone Labor Inc
PDF File 2979675.pdf 580 kB Shaun Ewing Apr 11, 1961 00:00
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US-2979675-A // Non-reciprocal wave transmission // Turner Edward H. // Bell Telephone Labor Inc
PDF File 2979662.pdf 896 kB Shaun Ewing Apr 11, 1961 00:00
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US-2979662-A // Electrical wave synchronizing circuit // Farrow Cecil W. // Bell Telephone Labor Inc
PDF File 2979574.pdf 2.39 MB Shaun Ewing Apr 11, 1961 00:00
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US-2979574-A // Synchronization check circuit // Lowry Terrell N. // Bell Telephone Labor Inc
PDF File 2979413.pdf 1.00 MB Shaun Ewing Apr 11, 1961 00:00
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US-2979413-A // Method of growing corundum crystals // Ballman Albert A. ; Caporaso Anthony J. ; Laudise Robert A. // Bell Telephone Labor Inc
PDF File 2979006.pdf 558 kB Shaun Ewing Apr 11, 1961 00:00
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US-2979006-A // Signal translating system // Wick Ronald F. // Bell Telephone Labor Inc
PDF File 2978680.pdf 585 kB Shaun Ewing Apr 04, 1961 00:00
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US-2978680-A // Precession storage delay circuit // Jr. Harry J. Schulte, // Bell Telephone Labor Inc
PDF File 2978677.pdf 524 kB Shaun Ewing Apr 04, 1961 00:00
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US-2978677-A // Multiple output diode distributor and amplification circuits // Tassel Earl K. Van // Bell Telephone Labor Inc
PDF File 2978675.pdf 1.28 MB Shaun Ewing Apr 04, 1961 00:00
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US-2978675-A // Character recognition system // Highleyman Wilbur H. // Bell Telephone Labor Inc
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