Name Size Creator Creation Date Labels Comment  
PDF File 3134946.pdf 422 kB Shaun Ewing May 26, 1964 00:00
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US-3134946-A // Dynamic pulse comparator using switched transformer secondaries and transformer primary as plural inputs // Lentz Norman E. // Bell Telephone Labor Inc
PDF File 3134940.pdf 769 kB Shaun Ewing May 26, 1964 00:00
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US-3134940-A // Regulated voltage converter circuit // Massey Richard P. ; Rickert Richard M. // Bell Telephone Labor Inc
PDF File 3134911.pdf 1.01 MB Shaun Ewing May 26, 1964 00:00
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US-3134911-A // Magnetic control circuit // Travis Lewis F. // Bell Telephone Labor Inc
PDF File 3134909.pdf 1.20 MB Shaun Ewing May 26, 1964 00:00
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US-3134909-A // Magnetic control circuits // Carlson David E. ; Mallery Paul // Bell Telephone Labor Inc
PDF File 3134908.pdf 727 kB Shaun Ewing May 26, 1964 00:00
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US-3134908-A // Magnetically controlled switching devices with non-destructive readout // Ellwood Walter B. // Bell Telephone Labor Inc
PDF File 3134905.pdf 302 kB Shaun Ewing May 26, 1964 00:00
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US-3134905-A // Photosensitive semiconductor junction device // Pfann William G. // Bell Telephone Labor Inc
PDF File 3134868.pdf 1014 kB Shaun Ewing May 26, 1964 00:00
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US-3134868-A // Multiple contact arrangement with force transmitting mechanical connector // Shine John R. // Bell Telephone Labor Inc
PDF File 3134855.pdf 678 kB Shaun Ewing May 26, 1964 00:00
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US-3134855-A // Pulse communication system // Chasek Norman E. // Bell Telephone Labor Inc
PDF File 3134837.pdf 499 kB Shaun Ewing May 26, 1964 00:00
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US-3134837-A // Optical maser // Kisliuk Paul P. ; Kleinman David A. // Bell Telephone Labor Inc
PDF File 3134055.pdf 946 kB Shaun Ewing May 19, 1964 00:00
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US-3134055-A // Voltage level detector circuits // Cronier Richard E. Le ; Rackman Michael I. // Bell Telephone Labor Inc
PDF File 3134054.pdf 1.56 MB Shaun Ewing May 19, 1964 00:00
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US-3134054-A // Voltage level detector circuits // Cronier Richard E. Le ; Schwenzfeger Edward E. // Bell Telephone Labor Inc
PDF File 3134052.pdf 797 kB Shaun Ewing May 19, 1964 00:00
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US-3134052-A // Voltage level detector // Cronier Richard E. Le ; Rackman Michael I. // Bell Telephone Labor Inc
PDF File 3134031.pdf 736 kB Shaun Ewing May 19, 1964 00:00
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US-3134031-A // Stepping switch circuit // Fennick John H. ; Kaenel Reginald A. // Bell Telephone Labor Inc
PDF File 3133995.pdf 762 kB Shaun Ewing May 19, 1964 00:00
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US-3133995-A // Call awaiting signal telephone circuits // Zarouni Alfred // Bell Telephone Labor Inc
PDF File 3133994.pdf 1.33 MB Shaun Ewing May 19, 1964 00:00
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US-3133994-A // Conference circuit for telephone switching systems // Zarouni Alfred // Bell Telephone Labor Inc
PDF File 3133840.pdf 426 kB Shaun Ewing May 19, 1964 00:00
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US-3133840-A // Stabilization of junction devices with phosphorous tribromide // Gibson Walter M. ; Madden Thomas C. // Bell Telephone Labor Inc
PDF File 3133272.pdf 1.30 MB Shaun Ewing May 12, 1964 00:00
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US-3133272-A // Recording circuit // Hopkins John W. ; Jr. Harry J. Schulte, // Bell Telephone Labor Inc
PDF File 3133271.pdf 1.11 MB Shaun Ewing May 12, 1964 00:00
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US-3133271-A // Magnetic memory circuits // Clemons Donald G. // Bell Telephone Labor Inc
PDF File 3133259.pdf 282 kB Shaun Ewing May 12, 1964 00:00
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US-3133259-A // Harmonic selective filter // Dine Gilbert A. Van // Bell Telephone Labor Inc
PDF File 3133258.pdf 584 kB Shaun Ewing May 12, 1964 00:00
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US-3133258-A // Ultrasonic strip delay line // Meitzler Allen H. // Bell Telephone Labor Inc
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