Name Size Creator Creation Date Labels Comment  
PDF File 1979020.pdf 5.73 MB Shaun Ewing Oct 30, 1934 00:00
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US-1979020-A // Telephone exchange system // Whitney Wiley // Bell Telephone Labor Inc
PDF File 1978419.pdf 1.29 MB Shaun Ewing Oct 30, 1934 00:00
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US-1978419-A // Transmission system // Dudley Homer W. // Bell Telephone Labor Inc
PDF File 1978418.pdf 474 kB Shaun Ewing Oct 30, 1934 00:00
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US-1978418-A // Concentric return multiconductor cable // Dudley Homer W. // Bell Telephone Labor Inc
PDF File 1978200.pdf 401 kB Shaun Ewing Oct 23, 1934 00:00
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US-1978200-A // Electrostatic acoustic device // Heising Raymond A. // Bell Telephone Labor Inc
PDF File 1978188.pdf 606 kB Shaun Ewing Oct 23, 1934 00:00
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US-1978188-A // Piezoelectric crystal apparatus // Ciccolella David F. // Bell Telephone Labor Inc
PDF File 1978164.pdf 1.27 MB Shaun Ewing Oct 23, 1934 00:00
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US-1978164-A // Wire splicing machine // Jr. Charles L. Van Inwagen, ; Mesch Orwar A. // Bell Telephone Labor Inc
PDF File 1976847.pdf 183 kB Shaun Ewing Oct 16, 1934 00:00
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US-1976847-A // Electric conductor // Gordon Chester S. ; Honan Edward M. // Bell Telephone Labor Inc
PDF File 1976558.pdf 349 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976558-A // Device and circuit for frequency translation // Heising Raymond A. // Bell Telephone Labor Inc
PDF File 1976548.pdf 793 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976548-A // Electrical communication system // Field Joseph C. // Bell Telephone Labor Inc
PDF File 1976521.pdf 681 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976521-A // Electron discharge device // Ronci Victor L. ; Clark James E. // Bell Telephone Labor Inc
PDF File 1976505.pdf 275 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976505-A // Vibration damping system for phonographs // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 1976503.pdf 694 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976503-A // Impulse testing device // Kuchas Francis // Bell Telephone Labor Inc
PDF File 1976502.pdf 282 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976502-A // Pressure treatment of substances such as latex // Kemp Archie R. // Bell Telephone Labor Inc
PDF File 1976489.pdf 792 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976489-A // Electron discharge device // Gargan John Owen // Bell Telephone Labor Inc
PDF File 1976481.pdf 545 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976481-A // Wave analysis // Castner Theodore G. // Bell Telephone Labor Inc
PDF File 1976467.pdf 579 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976467-A // Fire extinguisher // Wheeler Clyde H. // Bell Telephone Labor Inc
PDF File 1976457.pdf 666 kB Shaun Ewing Oct 09, 1934 00:00
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US-1976457-A // Method of and means for removing modulation from a modulated wave // Ohl Russell S. // Bell Telephone Labor Inc
PDF File 1974090.pdf 271 kB Shaun Ewing Sept 18, 1934 00:00
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US-1974090-A // Multiplex signaling system // Wilson Ira G. // Bell Telephone Labor Inc
PDF File 1974087.pdf 1.39 MB Shaun Ewing Sept 18, 1934 00:00
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US-1974087-A // Telephone system // Stocker Closman P. // Bell Telephone Labor Inc
PDF File 1974082.pdf 736 kB Shaun Ewing Sept 18, 1934 00:00
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US-1974082-A // Regulator system // Morton Edmund R. // Bell Telephone Labor Inc
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