Name Size Creator Creation Date Labels Comment  
PDF File 2725317.pdf 430 kB Shaun Ewing Nov 29, 1955 00:00
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US-2725317-A // Method of fabricating and heat treating semiconductors // Kleimack Joseph J. // Bell Telephone Labor Inc
PDF File 2725316.pdf 337 kB Shaun Ewing Nov 29, 1955 00:00
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US-2725316-A // Method of preparing pn junctions in semiconductors // Fuller Calvin S. // Bell Telephone Labor Inc
PDF File 2725315.pdf 397 kB Shaun Ewing Nov 29, 1955 00:00
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US-2725315-A // Method of fabricating semiconductive bodies // Fuller Calvin S. // Bell Telephone Labor Inc
PDF File 2725198.pdf 639 kB Shaun Ewing Nov 29, 1955 00:00
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US-2725198-A // Hand-operated wiring tool // Reck Frank // Bell Telephone Labor Inc
PDF File 2724806.pdf 1.16 MB Shaun Ewing Nov 22, 1955 00:00
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US-2724806-A // Electromagnetic wave hybrid junction coaxial transmission line structures // Tillotson Le Roy C. // Bell Telephone Labor Inc
PDF File 2724793.pdf 301 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724793-A // Protector // Fisher Earl L. // Bell Telephone Labor Inc
PDF File 2724780.pdf 793 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724780-A // Inhibited trigger circuits // Harris James R. // Bell Telephone Labor Inc
PDF File 2724771.pdf 1.22 MB Shaun Ewing Nov 22, 1955 00:00
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US-2724771-A // Pulse generator utilizing bombardment induced conductivity // Mckay Kenneth G. // Bell Telephone Labor Inc
PDF File 2724761.pdf 600 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724761-A // High tolerance impedance elements and methods of making them // Cisne Luther E. // Bell Telephone Labor Inc
PDF File 2724746.pdf 1.74 MB Shaun Ewing Nov 22, 1955 00:00
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US-2724746-A // Communication system // Bruce Edmond ; Reenstra Willard A. // Bell Telephone Labor Inc
PDF File 2724745.pdf 559 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724745-A // Signal amplitude detector and indicator // Brewer Sherman T. // Bell Telephone Labor Inc
PDF File 2724744.pdf 1.89 MB Shaun Ewing Nov 22, 1955 00:00
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US-2724744-A // Remote line concentrator // Brewer Sherman T. ; Reenstra Willard A. ; Ritchie Wesson J. // Bell Telephone Labor Inc
PDF File 2724742.pdf 701 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724742-A // Suppressed-carrier amplitude modulation // Chesnut Florence P. // Bell Telephone Labor Inc
PDF File 2724740.pdf 860 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724740-A // Quantized transmission with variable quanta // Cutler Cassius C. // Bell Telephone Labor Inc
PDF File 2724663.pdf 826 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724663-A // Plural metal vapor coating // Bond Walter L. // Bell Telephone Labor Inc
PDF File 2724216.pdf 731 kB Shaun Ewing Nov 22, 1955 00:00
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US-2724216-A // Method of fabricating electrode spacers // Cisne Luther E. // Bell Telephone Labor Inc
PDF File 2724103.pdf 589 kB Shaun Ewing Nov 15, 1955 00:00
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US-2724103-A // Electrical circuits employing magnetic core memory elements // Ashenhurst Robert L. // Bell Telephone Labor Inc
PDF File 2723556.pdf 2.42 MB Shaun Ewing Nov 15, 1955 00:00
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US-2723556-A // Ultrasonic velocity measuring device // Willard Gerald W. // Bell Telephone Labor Inc
PDF File 2723355.pdf 572 kB Shaun Ewing Nov 08, 1955 00:00
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US-2723355-A // Diode gate circuit // Graham Robert E. // Bell Telephone Labor Inc
PDF File 2723312.pdf 2.49 MB Shaun Ewing Nov 08, 1955 00:00
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US-2723312-A // Magnetic drum dial pulse recording and storage registers // Mcguigan John H. ; Murphy Orlando J. // Bell Telephone Labor Inc
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