Name Size Creator Creation Date Labels Comment  
PDF File 2530693.pdf 511 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530693-A // Panoramic signal receiving system // Green Estill I. // Bell Telephone Labor Inc
PDF File 2530691.pdf 288 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530691-A // Wave filter // Fox Arthur Gardner // Bell Telephone Labor Inc
PDF File 2530679.pdf 383 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530679-A // Resonant impedance branch // Brill Melville D. // Bell Telephone Labor Inc
PDF File 2530556.pdf 333 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530556-A // Support and cord assembly for hand telephones // Jr. William G. Turnbull, // Bell Telephone Labor Inc
PDF File 2530546.pdf 928 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530546-A // Electrophoretic deposition of insulating coating // Snyder James M. // Bell Telephone Labor Inc
PDF File 2530541.pdf 830 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530541-A // Wave meter // Roth Walter L. // Bell Telephone Labor Inc
PDF File 2530538.pdf 1.48 MB Shaun Ewing Nov 21, 1950 00:00
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US-2530538-A // Vernier pulse code communication system // Rack Alois J. // Bell Telephone Labor Inc
PDF File 2530528.pdf 2.28 MB Shaun Ewing Nov 21, 1950 00:00
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US-2530528-A // Phase comparator for underwater signaling // Jr. John G. Kreer, // Bell Telephone Labor Inc
PDF File 2530373.pdf 1.86 MB Shaun Ewing Nov 21, 1950 00:00
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US-2530373-A // Ultra high frequency electronic device // Bowen Arnold E. // Bell Telephone Labor Inc
PDF File 2528849.pdf 1.18 MB Shaun Ewing Nov 07, 1950 00:00
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US-2528849-A // High-power electron discharge device // West John W. // Bell Telephone Labor Inc
PDF File 2528446.pdf 815 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528446-A // Current control circuit // Mcconnell John H. // Bell Telephone Labor Inc
PDF File 2528424.pdf 1.05 MB Shaun Ewing Oct 31, 1950 00:00
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US-2528424-A // Tool for use in replacing insulators in switch banks // Clayden Francis W. ; Jr. Robert E. Coleman, // Bell Telephone Labor Inc
PDF File 2528414.pdf 648 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528414-A // Electrical winding // Bieling Carl A. // Bell Telephone Labor Inc
PDF File 2528161.pdf 1.00 MB Shaun Ewing Oct 31, 1950 00:00
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US-2528161-A // Signal code translator // Miloche Herman A. // Bell Telephone Labor Inc
PDF File 2528121.pdf 810 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528121-A // Electrical connector // Dickinson Frank R. // Bell Telephone Labor Inc
PDF File 2528120.pdf 980 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528120-A // Telegraph hub repeater // Davey James R. // Bell Telephone Labor Inc
PDF File 2528101.pdf 5.35 MB Shaun Ewing Oct 31, 1950 00:00
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US-2528101-A // Telephone system // Williams Samuel B. // Bell Telephone Labor Inc
PDF File 2528100.pdf 2.32 MB Shaun Ewing Oct 31, 1950 00:00
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US-2528100-A // Electronic calculator // Williams Samuel B. // Bell Telephone Labor Inc
PDF File 2528088.pdf 710 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528088-A // Electromagnetic relay // Shanck Roy B. // Bell Telephone Labor Inc
PDF File 2528086.pdf 475 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528086-A // Relay contacts of conducting rubber // Schenck Alfred K. // Bell Telephone Labor Inc
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