Name Size Creator Creation Date Labels Comment  
PDF File 2372782.pdf 533 kB Shaun Ewing Apr 03, 1945 00:00
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US-2372782-A // Selector switch // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2373093.pdf 1.16 MB Shaun Ewing Apr 10, 1945 00:00
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US-2373093-A // Process for inhibiting cracking of polymeric bodies // Baker William O. // Bell Telephone Labor Inc
PDF File 2373134.pdf 954 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373134-A // Signaling system // Massonneau Robert F. // Bell Telephone Labor Inc
PDF File 2373156.pdf 1.00 MB Shaun Ewing Apr 10, 1945 00:00
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US-2373156-A // Standard for electrical measurements // Wilhelm Henry T. // Bell Telephone Labor Inc
PDF File 2373160.pdf 283 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373160-A // Resistor having a high temperature coefficient of resistance // Bollman John H. ; Wilson Ira G. // Bell Telephone Labor Inc
PDF File 2373175.pdf 600 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373175-A // Electron discharge apparatus // Depp Wallace A. // Bell Telephone Labor Inc
PDF File 2373188.pdf 1.03 MB Shaun Ewing Apr 10, 1945 00:00
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US-2373188-A // Signaling system // Johnson Lewis H. // Bell Telephone Labor Inc
PDF File 2373208.pdf 520 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373208-A // Voltage regulation // Trucksess David E. // Bell Telephone Labor Inc
PDF File 2373383.pdf 404 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373383-A // Self-regulating rectifier // Christopher Harold N. // Bell Telephone Labor Inc
PDF File 2373395.pdf 1.08 MB Shaun Ewing Apr 10, 1945 00:00
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US-2373395-A // Electron discharge device // Hefele John R. // Bell Telephone Labor Inc
PDF File 2373396.pdf 968 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373396-A // Electron discharge device // Hefele John R. // Bell Telephone Labor Inc
PDF File 2373431.pdf 838 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373431-A // Electric wave filter // Sykes Roger A. // Bell Telephone Labor Inc
PDF File 2373569.pdf 913 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373569-A // Wave translating system // Kannenberg Walter F. // Bell Telephone Labor Inc
PDF File 2373624.pdf 471 kB Shaun Ewing Apr 10, 1945 00:00
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US-2373624-A // Negative resistance loading // Zinn Manvel K. // Bell Telephone Labor Inc
PDF File 2373675.pdf 3.70 MB Shaun Ewing Apr 17, 1945 00:00
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US-2373675-A // Party line printing telegraph system // Gardner Leland A. ; Richards Kenneth W. // Bell Telephone Labor Inc ; American Telephone & Telegraph
PDF File 2373861.pdf 428 kB Shaun Ewing Apr 17, 1945 00:00
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US-2373861-A // Method of making contact wiper springs // Jr. Charles L. Van Inwagen, // Bell Telephone Labor Inc
PDF File 2374072.pdf 3.65 MB Shaun Ewing Apr 17, 1945 00:00
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US-2374072-A // Telephone system // Beaumont William M. // Bell Telephone Labor Inc
PDF File 2374082.pdf 1.40 MB Shaun Ewing Apr 17, 1945 00:00
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US-2374082-A // Telephone call transmitter // Dowey Thomas L. // Bell Telephone Labor Inc
PDF File 2374090.pdf 674 kB Shaun Ewing Apr 17, 1945 00:00
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US-2374090-A // Apparatus for intensifying speech in the human vocal cavities // French Norman R. // Bell Telephone Labor Inc
PDF File 2374264.pdf 1.84 MB Shaun Ewing Apr 24, 1945 00:00
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US-2374264-A // Communication system // Bacon Walter M. ; Kinkead Rita Smith // Bell Telephone Labor Inc
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