Name Size Creator Creation Date Labels Comment  
PDF File 2703344.pdf 1.08 MB Shaun Ewing Mar 01, 1955 00:00
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US-2703344-A // Cutaneous signaling // Anderson Attell B. // Bell Telephone Labor Inc
PDF File 2657360.pdf 1.08 MB Shaun Ewing Oct 27, 1953 00:00
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US-2657360-A // Four-electrode transistor modulator // Jr. Robert L. Wallace, // Bell Telephone Labor Inc
PDF File 2681385.pdf 1.08 MB Shaun Ewing Jun 15, 1954 00:00
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US-2681385-A // Reduction of signal redundancy // Oliver Bernard M. // Bell Telephone Labor Inc
PDF File 2608681.pdf 1.08 MB Shaun Ewing Aug 26, 1952 00:00
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US-2608681-A // Voltage regulation // Stevens Bruce E. // Bell Telephone Labor Inc
PDF File 2639332.pdf 1.08 MB Shaun Ewing May 19, 1953 00:00
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US-2639332-A // Rotating-field pulse transmitter // Parkinson David B. // Bell Telephone Labor Inc
PDF File 2657309.pdf 1.08 MB Shaun Ewing Oct 27, 1953 00:00
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US-2657309-A // Storage device utilizing semiconductor // Gray Frank // Bell Telephone Labor Inc
PDF File 2599392.pdf 1.08 MB Shaun Ewing Jun 03, 1952 00:00
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US-2599392-A // Recording device // Kille Lindley A. // Bell Telephone Labor Inc
PDF File 2617855.pdf 1.07 MB Shaun Ewing Nov 11, 1952 00:00
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US-2617855-A // Automatic measurement of transmission characteristics // Jr. Harry A. Etheridge, // Bell Telephone Labor Inc
PDF File 2656460.pdf 1.07 MB Shaun Ewing Oct 20, 1953 00:00
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US-2656460-A // Bidirectional counter // Mcmillan Brockway // Bell Telephone Labor Inc
PDF File 2564439.pdf 1.07 MB Shaun Ewing Aug 14, 1951 00:00
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US-2564439-A // Standard frequency system // Marrison Warren A. // Bell Telephone Labor Inc
PDF File 2691729.pdf 1.07 MB Shaun Ewing Oct 12, 1954 00:00
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US-2691729-A // Electrical circuits // Cornell Warren A. // Bell Telephone Labor Inc
PDF File 2539551.pdf 1.07 MB Shaun Ewing Jan 30, 1951 00:00
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US-2539551-A // Telegraph hub circuit repeater // Rea Wilton T. // Bell Telephone Labor Inc
PDF File 2549091.pdf 1.07 MB Shaun Ewing Apr 17, 1951 00:00
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US-2549091-A // Diaphragm for electroacoustic transducers // Hopkins Harris F. // Bell Telephone Labor Inc
PDF File 2602148.pdf 1.06 MB Shaun Ewing Jul 01, 1952 00:00
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US-2602148-A // High-frequency amplifier // Pierce John R. // Bell Telephone Labor Inc
PDF File 2560353.pdf 1.06 MB Shaun Ewing Jul 10, 1951 00:00
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US-2560353-A // Cavity resonator // Kerwien Arthur E. // Bell Telephone Labor Inc
PDF File 2595701.pdf 1.06 MB Shaun Ewing May 06, 1952 00:00
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US-2595701-A // Recording system // Potter Ralph K. // Bell Telephone Labor Inc
PDF File 2717373.pdf 1.06 MB Shaun Ewing Sept 06, 1955 00:00
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US-2717373-A // Ferroelectric storage device and circuit // Anderson John R. // Bell Telephone Labor Inc
PDF File 2622212.pdf 1.06 MB Shaun Ewing Dec 16, 1952 00:00
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US-2622212-A // Bistable circuit // Anderson Alva Eugene ; Trent Robert L. // Bell Telephone Labor Inc
PDF File 2694106.pdf 1.06 MB Shaun Ewing Nov 09, 1954 00:00
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US-2694106-A // Ringing current supply system // Mills John K. // Bell Telephone Labor Inc
PDF File 2619528.pdf 1.06 MB Shaun Ewing Nov 25, 1952 00:00
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US-2619528-A // Selective signaling system // Vroom Edward // Bell Telephone Labor Inc
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