Name Size Creator Creation Date Labels Comment  
PDF File 2060261.pdf 980 kB Shaun Ewing Nov 10, 1936 00:00
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US-2060261-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc
PDF File 2107155.pdf 980 kB Shaun Ewing Feb 01, 1938 00:00
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US-2107155-A // Radio directional indicator // Kleinkauf James D. ; Martin De Loss K. // Bell Telephone Labor Inc
PDF File 2105927.pdf 979 kB Shaun Ewing Jan 18, 1938 00:00
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US-2105927-A // Gain control system // Nyquist Harry // Bell Telephone Labor Inc
PDF File 1905716.pdf 978 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905716-A // Making stereoscopic parallax panoramagrams from pseudoscopic parallax panoramagrams // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 2041127.pdf 978 kB Shaun Ewing May 19, 1936 00:00
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US-2041127-A // Television // Gray Frank // Bell Telephone Labor Inc
PDF File 1821586.pdf 977 kB Shaun Ewing Sept 01, 1931 00:00
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US-1821586-A // Acoustic device // Smythe Edwin H. // Bell Telephone Labor Inc
PDF File 2014221.pdf 977 kB Shaun Ewing Sept 10, 1935 00:00
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US-2014221-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc
PDF File 2004611.pdf 976 kB Shaun Ewing Jun 11, 1935 00:00
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US-2004611-A // Flow indicator // Kleinfelder Walter C. // Bell Telephone Labor Inc
PDF File 1913440.pdf 975 kB Shaun Ewing Jun 13, 1933 00:00
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US-1913440-A // Retractile device // Freile Bruce ; Magrath Arthur C. // Bell Telephone Labor Inc
PDF File 2090995.pdf 975 kB Shaun Ewing Aug 24, 1937 00:00
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US-2090995-A // Time delay relay // Browne Bennic O. // Bell Telephone Labor Inc
PDF File 2144867.pdf 975 kB Shaun Ewing Jan 24, 1939 00:00
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US-2144867-A // Telephone system // Atkins George E. // Bell Telephone Labor Inc
PDF File 1958596.pdf 975 kB Shaun Ewing May 15, 1934 00:00
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US-1958596-A // Control system // Stoller Hugh M. // Bell Telephone Labor Inc
PDF File 1919803.pdf 973 kB Shaun Ewing Jul 25, 1933 00:00
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US-1919803-A // Measuring and indicating system // Roetken Alfred A. // Bell Telephone Labor Inc
PDF File 2225305.pdf 972 kB Shaun Ewing Dec 17, 1940 00:00
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US-2225305-A // Telephone system // King Gerald V. ; Swenson Paul W. // Bell Telephone Labor Inc
PDF File 1860515.pdf 971 kB Shaun Ewing May 31, 1932 00:00
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US-1860515-A // Telephone exchange system // Stokely Ray L. // Bell Telephone Labor Inc
PDF File 1896781.pdf 970 kB Shaun Ewing Feb 07, 1933 00:00
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US-1896781-A // Constant frequency oscillator // Llewellyn Frederick B. // Bell Telephone Labor Inc
PDF File 2207969.pdf 970 kB Shaun Ewing Jul 16, 1940 00:00
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US-2207969-A // Electrical contact protection // Burton Everett T. // Bell Telephone Labor Inc
PDF File 2021329.pdf 970 kB Shaun Ewing Nov 19, 1935 00:00
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US-2021329-A // Switching mechanism // Reynolds John N. // Bell Telephone Labor Inc
PDF File 1948981.pdf 969 kB Shaun Ewing Feb 27, 1934 00:00
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US-1948981-A // Duplex communication system // Curtis Austen M. // Bell Telephone Labor Inc
PDF File 2135566.pdf 969 kB Shaun Ewing Nov 08, 1938 00:00
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US-2135566-A // Gain control circuit // Dixon John T. // Bell Telephone Labor Inc
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