Name Size Creator Creation Date Labels Comment  
PDF File 2846668.pdf 574 kB Shaun Ewing Aug 05, 1958 00:00
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US-2846668-A // Magnetic core circuits // Dunlap Kermit S. // Bell Telephone Labor Inc
PDF File 2846505.pdf 565 kB Shaun Ewing Aug 05, 1958 00:00
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US-2846505-A // Automatic telephone answering system // Keith Clyde R. ; Nickerson Clifford A. ; Taris Charles M. // Bell Telephone Labor Inc
PDF File 2846518.pdf 522 kB Shaun Ewing Aug 05, 1958 00:00
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US-2846518-A // Means for erasing a magnetic record // Goehner William R. ; Taris Charles M. // Bell Telephone Labor Inc
PDF File 2846526.pdf 518 kB Shaun Ewing Aug 05, 1958 00:00
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US-2846526-A // Potential monitoring circuit // Moore Ernest P. ; Trent Robert L. // Bell Telephone Labor Inc
PDF File 2845610.pdf 1.25 MB Shaun Ewing Jul 29, 1958 00:00
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US-2845610-A // Magnetic data storage system // Cornell Warren A. ; Mcguigan John H. ; Murphy Orlando J. // Bell Telephone Labor Inc
PDF File 2845568.pdf 622 kB Shaun Ewing Jul 29, 1958 00:00
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US-2845568-A // Gaseous discharge device // West John W. ; White Alan D. // Bell Telephone Labor Inc
PDF File 2845473.pdf 599 kB Shaun Ewing Jul 29, 1958 00:00
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US-2845473-A // Electrical conductor having transposed conducting members // Doherty William H. // Bell Telephone Labor Inc
PDF File 2844307.pdf 14.68 MB Shaun Ewing Jul 22, 1958 00:00
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US-2844307-A // Record-controlled apparatus // Jr. Amos E. Joel, // Bell Telephone Labor Inc
PDF File 2844668.pdf 2.42 MB Shaun Ewing Jul 22, 1958 00:00
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US-2844668-A // Pulse series analyzer // West Fred // Bell Telephone Labor Inc
PDF File 2844722.pdf 1016 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844722-A // Electron discharge devices // Hines Marion E. // Bell Telephone Labor Inc
PDF File 2844753.pdf 1012 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844753-A // Traveling wave tube // Quate Calvin F. // Bell Telephone Labor Inc
PDF File 2844754.pdf 964 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844754-A // Electron beam focusing system // Cioffi Paul P. // Bell Telephone Labor Inc
PDF File 2844799.pdf 891 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844799-A // Guided wave transmission system // Fox Arthur G. // Bell Telephone Labor Inc
PDF File 2844667.pdf 880 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844667-A // Cascade transistor amplifiers // Yaeger Robert E. // Bell Telephone Labor Inc
PDF File 2844531.pdf 784 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844531-A // Method of producing cavities in semiconductive surfaces // Prince Morton B. // Bell Telephone Labor Inc
PDF File 2844693.pdf 639 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844693-A // Wire-wound vitreous enamel resistors // Rigterink Merle D. // Bell Telephone Labor Inc
PDF File 2844688.pdf 529 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844688-A // Electromagnetic switching // Pfann William G. // Bell Telephone Labor Inc
PDF File 2843869.pdf 516 kB Shaun Ewing Jul 22, 1958 00:00
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US-2843869-A // Rotary cleaning tool // Hermance Harold W. // Bell Telephone Labor Inc
PDF File 2844719.pdf 409 kB Shaun Ewing Jul 22, 1958 00:00
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US-2844719-A // Envelope detector // Rieke John W. ; Slocum Allan // Bell Telephone Labor Inc
PDF File 2843675.pdf 3.01 MB Shaun Ewing Jul 15, 1958 00:00
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US-2843675-A // Radio telephone dispatch control and signaling circuit // Collins Russell W. // Bell Telephone Labor Inc
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