Name Size Creator Creation Date Labels Comment  
PDF File 2471263.pdf 978 kB Shaun Ewing May 24, 1949 00:00
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US-2471263-A // Ionic discharge device // Depew Charles // Bell Telephone Labor Inc
PDF File 2476032.pdf 976 kB Shaun Ewing Jul 12, 1949 00:00
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US-2476032-A // Doppler effect speed and drift indicating system // Feldman Carl B. H. ; Mcrae James W. // Bell Telephone Labor Inc
PDF File 2431696.pdf 974 kB Shaun Ewing Dec 02, 1947 00:00
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US-2431696-A // Relay desing calculator // Keister William // Bell Telephone Labor Inc
PDF File 2428767.pdf 974 kB Shaun Ewing Oct 14, 1947 00:00
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US-2428767-A // Electric motor control circuits // Albert Walter P. ; Davis Richard C. ; Gumley Robert H. ; Holden William H. T. // Bell Telephone Labor Inc
PDF File 2406391.pdf 974 kB Shaun Ewing Aug 27, 1946 00:00
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US-2406391-A // Compressional wave directional, prismatic, and focusing system // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2426658.pdf 973 kB Shaun Ewing Sept 02, 1947 00:00
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US-2426658-A // Radar tracking device // Wooldridge Dean E. // Bell Telephone Labor Inc
PDF File 2476269.pdf 973 kB Shaun Ewing Jul 19, 1949 00:00
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US-2476269-A // Mechanical differentiator for smoothing target tracking data // Blackman Ralph B. // Bell Telephone Labor Inc
PDF File 2523903.pdf 971 kB Shaun Ewing Sept 26, 1950 00:00
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US-2523903-A // Jig // Ellwood Walter B. // Bell Telephone Labor Inc
PDF File 2502822.pdf 969 kB Shaun Ewing Apr 04, 1950 00:00
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US-2502822-A // Electron tube coupling circuit // Burton Everett T. // Bell Telephone Labor Inc
PDF File 2432123.pdf 968 kB Shaun Ewing Dec 09, 1947 00:00
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US-2432123-A // Translation of visual symbols // Potter Ralph K. // Bell Telephone Labor Inc
PDF File 2471516.pdf 966 kB Shaun Ewing May 31, 1949 00:00
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US-2471516-A // Plan position indicating system and method // Bryant Newton W. // Bell Telephone Labor Inc
PDF File 2416302.pdf 966 kB Shaun Ewing Feb 25, 1947 00:00
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US-2416302-A // Electronic apparatus // Goodall William M. // Bell Telephone Labor Inc
PDF File 2450974.pdf 966 kB Shaun Ewing Oct 12, 1948 00:00
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US-2450974-A // Method of making multiple cables for terminal banks // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 2533473.pdf 966 kB Shaun Ewing Dec 12, 1950 00:00
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US-2533473-A // Motor speed control system // Kille Lindley A. // Bell Telephone Labor Inc
PDF File 2406816.pdf 964 kB Shaun Ewing Sept 03, 1946 00:00
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US-2406816-A // Sound recording projectile // Elmer Lloyd A. ; Lovell Clarence A. // Bell Telephone Labor Inc
PDF File 2488291.pdf 964 kB Shaun Ewing Nov 15, 1949 00:00
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US-2488291-A // Electromechanical position control apparatus // Hartley Ralph V. L. // Bell Telephone Labor Inc
PDF File 2516772.pdf 962 kB Shaun Ewing Jul 25, 1950 00:00
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US-2516772-A // Cross-wire switch // Hickman Clarence N. // Bell Telephone Labor Inc
PDF File 2485931.pdf 960 kB Shaun Ewing Oct 25, 1949 00:00
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US-2485931-A // Magnetic field strength indicator // Slonczewski Thaddeus // Bell Telephone Labor Inc
PDF File 2395516.pdf 960 kB Shaun Ewing Feb 26, 1946 00:00
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US-2395516-A // Speed control system for electric motors // Morton Edmund R. ; Stoller Hugh M. // Bell Telephone Labor Inc
PDF File 2486776.pdf 959 kB Shaun Ewing Nov 01, 1949 00:00
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US-2486776-A // Self-biased electric translating device // Barney Harold L. // Bell Telephone Labor Inc
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