Name Size Creator Creation Date Labels Comment  
PDF File 1865028.pdf 365 kB Shaun Ewing Jun 28, 1932 00:00
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US-1865028-A // Film editing system // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 2066511.pdf 365 kB Shaun Ewing Jan 05, 1937 00:00
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US-2066511-A // Wiring device // Arlt Herbert G. // Bell Telephone Labor Inc
PDF File 1982784.pdf 365 kB Shaun Ewing Dec 04, 1934 00:00
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US-1982784-A // Submarine cable // Buckley Oliver E. // Bell Telephone Labor Inc
PDF File 1930898.pdf 365 kB Shaun Ewing Oct 17, 1933 00:00
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US-1930898-A // Program transmission // Johnson Kenneth S. // Bell Telephone Labor Inc
PDF File 1845033.pdf 364 kB Shaun Ewing Feb 16, 1932 00:00
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US-1845033-A // Switching mechanism // Bausch Ewald // Bell Telephone Labor Inc
PDF File 1836574.pdf 364 kB Shaun Ewing Dec 15, 1931 00:00
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US-1836574-A // Signal shaping amplifier // Burton Everett T. // Bell Telephone Labor Inc
PDF File 1853912.pdf 364 kB Shaun Ewing Apr 12, 1932 00:00
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US-1853912-A // Studio for acoustic purposes // Macnair Walter A. // Bell Telephone Labor Inc
PDF File 2224580.pdf 364 kB Shaun Ewing Dec 10, 1940 00:00
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US-2224580-A // Modulation system // Wise Raymond O. // Bell Telephone Labor Inc
PDF File 1811839.pdf 364 kB Shaun Ewing Jun 30, 1931 00:00
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US-1811839-A // Sound transmission // Arnold Harold D. // Bell Telephone Labor Inc
PDF File 1880676.pdf 363 kB Shaun Ewing Oct 04, 1932 00:00
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US-1880676-A // Circuit controlling device // Beck William O. // Bell Telephone Labor Inc
PDF File 2069867.pdf 363 kB Shaun Ewing Feb 09, 1937 00:00
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US-2069867-A // Electron emitter // Wilson James R. // Bell Telephone Labor Inc
PDF File 2191151.pdf 362 kB Shaun Ewing Feb 20, 1940 00:00
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US-2191151-A // Magnetic core with constant permeability // Hale Stuart G. ; Owens Conrad D. // Bell Telephone Labor Inc
PDF File 2123177.pdf 362 kB Shaun Ewing Jul 12, 1938 00:00
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US-2123177-A // Acoustic device // Blount Nelson // Bell Telephone Labor Inc
PDF File 1917015.pdf 362 kB Shaun Ewing Jul 04, 1933 00:00
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US-1917015-A // Power amplifier // Burton Everett T. // Bell Telephone Labor Inc
PDF File 2202060.pdf 362 kB Shaun Ewing May 28, 1940 00:00
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US-2202060-A // Alarm system // Mitchell Doren // Bell Telephone Labor Inc
PDF File 1968448.pdf 362 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968448-A // Sound measuring system // Harrison Henry C. // Bell Telephone Labor Inc
PDF File 1908346.pdf 362 kB Shaun Ewing May 09, 1933 00:00
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US-1908346-A // Gauge // Hampton Leon N. // Bell Telephone Labor Inc
PDF File 2209662.pdf 361 kB Shaun Ewing Jul 30, 1940 00:00
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US-2209662-A // Method of supporting aerial cables // Quarles Donald A. // Bell Telephone Labor Inc
PDF File 2210520.pdf 361 kB Shaun Ewing Aug 06, 1940 00:00
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US-2210520-A // Wire connecting device // Barry Joseph F. // Bell Telephone Labor Inc
PDF File 1811947.pdf 361 kB Shaun Ewing Jun 30, 1931 00:00
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US-1811947-A // Noise suppressing circuit // Legg Victor E. // Bell Telephone Labor Inc
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