Name Size Creator Creation Date Labels Comment  
PDF File 2308360.pdf 977 kB Shaun Ewing Jan 12, 1943 00:00
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US-2308360-A // Light modulating apparatus and method // Fair Irvin E. // Bell Telephone Labor Inc
PDF File 2307989.pdf 323 kB Shaun Ewing Jan 12, 1943 00:00
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US-2307989-A // Sound signal // Bower Kline E. // Bell Telephone Labor Inc
PDF File 2307922.pdf 452 kB Shaun Ewing Jan 12, 1943 00:00
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US-2307922-A // Electromagnetic device // Jr. Emil Dickten, // Bell Telephone Labor Inc
PDF File 2307868.pdf 562 kB Shaun Ewing Jan 12, 1943 00:00
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US-2307868-A // Binary counter // Stibitz George R. // Bell Telephone Labor Inc
PDF File 2307834.pdf 349 kB Shaun Ewing Jan 12, 1943 00:00
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US-2307834-A // Signaling system // Gannett Danforth K. // Bell Telephone Labor Inc
PDF File 2307728.pdf 2.32 MB Shaun Ewing Jan 05, 1943 00:00
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US-2307728-A // Signaling system // Mertz Pierre // Bell Telephone Labor Inc
PDF File 2307660.pdf 514 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307660-A // Indicator // Bascom Henry M. // Bell Telephone Labor Inc
PDF File 2307537.pdf 376 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307537-A // Telephone call transmitter // Parkinson David B. // Bell Telephone Labor Inc
PDF File 2307525.pdf 624 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307525-A // Call transmitter // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 2307521.pdf 493 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307521-A // Call transmitter // Lovell Clarence A. ; Mallina Rudolph F. ; Vieth Leonard // Bell Telephone Labor Inc
PDF File 2307463.pdf 554 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307463-A // Telephone calling dial device // Lum George R. // Bell Telephone Labor Inc
PDF File 2307417.pdf 1.27 MB Shaun Ewing Jan 05, 1943 00:00
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US-2307417-A // Receiving circuit for signaling systems // Matte Andrew L. // Bell Telephone Labor Inc
PDF File 2307237.pdf 1.88 MB Shaun Ewing Jan 05, 1943 00:00
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US-2307237-A // Telegraph signal distortion measuring apparatus and system // Rea Wilton T. ; Wilkerson Jefferson R. // Bell Telephone Labor Inc
PDF File 2307226.pdf 588 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307226-A // Telephone calling dial device // Lum George R. // Bell Telephone Labor Inc
PDF File 2307155.pdf 803 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307155-A // Polarized relay // Jr. Robert L. Peek, // Bell Telephone Labor Inc
PDF File 2307140.pdf 1016 kB Shaun Ewing Jan 05, 1943 00:00
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US-2307140-A // Coin operated device // Krumreich Charles L. // Bell Telephone Labor Inc
PDF File 2306909.pdf 1.93 MB Shaun Ewing Dec 29, 1942 00:00
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US-2306909-A // Piezoelectric crystal apparatus // Sykes Roger A. // Bell Telephone Labor Inc
PDF File 2306882.pdf 943 kB Shaun Ewing Dec 29, 1942 00:00
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US-2306882-A // Selective system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2306862.pdf 976 kB Shaun Ewing Dec 29, 1942 00:00
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US-2306862-A // Television remote control // Bown Ralph // Bell Telephone Labor Inc
PDF File 2306852.pdf 880 kB Shaun Ewing Dec 29, 1942 00:00
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US-2306852-A // Vibration damping means for rotating members // Wente Edward C. // Bell Telephone Labor Inc
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