Name Size Creator Creation Date Labels Comment  
PDF File 2848696.pdf 628 kB Shaun Ewing Aug 19, 1958 00:00
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US-2848696-A // Electromagnetic wave transmission // Miller Stewart E. // Bell Telephone Labor Inc
PDF File 2848609.pdf 622 kB Shaun Ewing Aug 19, 1958 00:00
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US-2848609-A // Amplitude modulation limiting circuit // Ruthroff Clyde L. // Bell Telephone Labor Inc
PDF File 2848293.pdf 597 kB Shaun Ewing Aug 19, 1958 00:00
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US-2848293-A // Mechanical interlock for cabinethoused apparatus-mounting frameworks // Jurgens William C. ; Seifert Joseph A. // Bell Telephone Labor Inc
PDF File 2848653.pdf 593 kB Shaun Ewing Aug 19, 1958 00:00
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US-2848653-A // Transistor gating circuit // Hussey Luther W. // Bell Telephone Labor Inc
PDF File 2848716.pdf 571 kB Shaun Ewing Aug 19, 1958 00:00
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US-2848716-A // Compartmental antenna with hybrid feed // Mattingly Robert L. // Bell Telephone Labor Inc
PDF File 2848695.pdf 479 kB Shaun Ewing Aug 19, 1958 00:00
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US-2848695-A // Electromagnetic wave transmission // Pierce John R. // Bell Telephone Labor Inc
PDF File 2848704.pdf 469 kB Shaun Ewing Aug 19, 1958 00:00
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US-2848704-A // Terminal strip // Obst Charles V. // Bell Telephone Labor Inc
PDF File 2847508.pdf 2.66 MB Shaun Ewing Aug 12, 1958 00:00
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US-2847508-A // Stage-by-stage all-relay telephone switching system using voice frequency control // Holden William H. T. ; Vroom Edward // Bell Telephone Labor Inc
PDF File 2847572.pdf 1.41 MB Shaun Ewing Aug 12, 1958 00:00
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US-2847572-A // Synchronized automatic frequency control system // Favin David L. // Bell Telephone Labor Inc
PDF File 2847609.pdf 1.40 MB Shaun Ewing Aug 12, 1958 00:00
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US-2847609-A // Reflex klystron // Hamilton James O. ; Lalco Joseph P. // Bell Telephone Labor Inc
PDF File 2847607.pdf 1.24 MB Shaun Ewing Aug 12, 1958 00:00
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US-2847607-A // Magnetic focusing system // Pierce John R. // Bell Telephone Labor Inc
PDF File 2847646.pdf 1.21 MB Shaun Ewing Aug 12, 1958 00:00
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US-2847646-A // Diode test set // Marino Frank C. // Bell Telephone Labor Inc
PDF File 2847645.pdf 742 kB Shaun Ewing Aug 12, 1958 00:00
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US-2847645-A // Null-type transistor alpha measuring set // Thomas Donald E. // Bell Telephone Labor Inc
PDF File 2847314.pdf 431 kB Shaun Ewing Aug 12, 1958 00:00
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US-2847314-A // Method for making ceramic articles // Fisher Joseph R. // Bell Telephone Labor Inc
PDF File 2847287.pdf 227 kB Shaun Ewing Aug 12, 1958 00:00
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US-2847287-A // Etching processes and solutions // Landgren Clarence R. // Bell Telephone Labor Inc
PDF File 2846507.pdf 6.53 MB Shaun Ewing Aug 05, 1958 00:00
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US-2846507-A // Pay station telephone system // Sandalls Agnes R. ; Vibbard Edward L. ; Wichman Wesley T. // Bell Telephone Labor Inc
PDF File 2846680.pdf 1.06 MB Shaun Ewing Aug 05, 1958 00:00
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US-2846680-A // Directive antennas // Lewis Willard D. // Bell Telephone Labor Inc
PDF File 2846512.pdf 915 kB Shaun Ewing Aug 05, 1958 00:00
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US-2846512-A // Party line station identifying impulse transmitter // Jr. George B. Crofutt, ; Fisk James B. // Bell Telephone Labor Inc
PDF File 2846509.pdf 881 kB Shaun Ewing Aug 05, 1958 00:00
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US-2846509-A // Pulse repeating with automatic compensation for high and low resistance loops // Dubuar Arthur S. // Bell Telephone Labor Inc
PDF File 2846613.pdf 628 kB Shaun Ewing Aug 05, 1958 00:00
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US-2846613-A // Bifilar helix coupling connections // Pierce John R. // Bell Telephone Labor Inc
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