Name Size Creator Creation Date Labels Comment  
PDF File 3417208.pdf 867 kB Shaun Ewing Dec 17, 1968 00:00
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US-3417208-A // Miniature dial // Hagelbarger David W. // Bell Telephone Labor Inc
PDF File 3417210.pdf 546 kB Shaun Ewing Dec 17, 1968 00:00
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US-3417210-A // Condition testing arrangement // Chapin Daryl M. // Bell Telephone Labor Inc
PDF File 3417256.pdf 647 kB Shaun Ewing Dec 17, 1968 00:00
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US-3417256-A // Regulated power supply comprising a plurality of isolated systems // Kadri Fred V. // Bell Telephone Labor Inc
PDF File 3417384.pdf 1.23 MB Shaun Ewing Dec 17, 1968 00:00
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US-3417384-A // Magnetic memory // Blahut Donald E. // Bell Telephone Labor Inc
PDF File 3417837.pdf 1.15 MB Shaun Ewing Dec 24, 1968 00:00
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US-3417837-A // Signal processor for multipath signals // Flanagan James L. // Bell Telephone Labor Inc
PDF File 3418086.pdf 486 kB Shaun Ewing Dec 24, 1968 00:00
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US-3418086-A // Lithium meta-niobate crystalline growth from melt containing magnesium oxide // Loiacono Gabriel M. ; Nassau Kurt // Bell Telephone Labor Inc
PDF File 3418431.pdf 940 kB Shaun Ewing Dec 24, 1968 00:00
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US-3418431-A // Code transmitter // Hershey Harold J. ; Mcgee Chester W. ; Warnock Merville L. // Bell Telephone Labor Inc
PDF File 3418601.pdf 445 kB Shaun Ewing Dec 24, 1968 00:00
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US-3418601-A // Waveguide phase-locked oscillators // Clouser Paul L. ; Goell James E. // Bell Telephone Labor Inc
PDF File 3418631.pdf 656 kB Shaun Ewing Dec 24, 1968 00:00
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US-3418631-A // Error detection in paired selected ternary code trains // Sipress Jack M. ; Zarins Egils // Bell Telephone Labor Inc
PDF File 3419679.pdf 950 kB Shaun Ewing Dec 31, 1968 00:00
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US-3419679-A // Start-stop synchronization checking circuit for long trains, short trains and single start-stop characters // Elvis Peter ; Houcke George P. // Bell Telephone Labor Inc
PDF File 3419683.pdf 1.13 MB Shaun Ewing Dec 31, 1968 00:00
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US-3419683-A // Automatic substation transfer system // Michael Henry J. ; Morse Charles E. ; Oram Frank G. ; Roccati Edgar J. ; Smith John P. // Bell Telephone Labor Inc
PDF File 3419746.pdf 763 kB Shaun Ewing Dec 31, 1968 00:00
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US-3419746-A // Light sensitive storage device including diode array // Crowell Merton H. ; Dalton John V. ; Gordon Eugene I. ; Labuda Edward F. // Bell Telephone Labor Inc
PDF File 3419823.pdf 314 kB Shaun Ewing Dec 31, 1968 00:00
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US-3419823-A // Phase-differential network // Seidel Harold // Bell Telephone Labor Inc
PDF File 3419826.pdf 704 kB Shaun Ewing Dec 31, 1968 00:00
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US-3419826-A // Microwave slip ring // Jr. Walter H. Macwilliams, ; Ring Douglas H. // Bell Telephone Labor Inc
PDF File 3420264.pdf 746 kB Shaun Ewing Jan 07, 1969 00:00
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US-3420264-A // Air valve // Jens C. Dolling // Bell Telephone Labor Inc
PDF File 3420706.pdf 323 kB Shaun Ewing Jan 07, 1969 00:00
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US-3420706-A // Technique for fabrication of printed circuit resistors // Charles C.y. Kuo // Bell Telephone Labor Inc
PDF File 3420776.pdf 279 kB Shaun Ewing Jan 07, 1969 00:00
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US-3420776-A // Process for introduction of oxygen vacancies in perovskite ferroelectric crystals // Ralph T. Hepplewhite ; Dawon Kahng // Bell Telephone Labor Inc
PDF File 3420955.pdf 1.54 MB Shaun Ewing Jan 07, 1969 00:00
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US-3420955-A // Automatic peak selector // A. Michael Noll // Bell Telephone Labor Inc
PDF File 3420958.pdf 1.79 MB Shaun Ewing Jan 07, 1969 00:00
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US-3420958-A // Communication system with alternate data link // James C. Ewin // Bell Telephone Labor Inc
PDF File 3421147.pdf 1014 kB Shaun Ewing Jan 07, 1969 00:00
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US-3421147-A // Buffer arrangement // Herbert O. Burton ; Lorin P. Mcrae ; William J. Wolf Jr. // Bell Telephone Labor Inc
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