Name Size Creator Creation Date Labels Comment  
PDF File 2120971.pdf 1.59 MB Shaun Ewing Jun 21, 1938 00:00
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US-2120971-A // System and method of determining distance // Bailey Arnold B. // Bell Telephone Labor Inc
PDF File 1868326.pdf 1.59 MB Shaun Ewing Jul 19, 1932 00:00
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US-1868326-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc
PDF File 1904278.pdf 1.59 MB Shaun Ewing Apr 18, 1933 00:00
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US-1904278-A // Message register circuit for telegraph exchanges // Dickinson Allan B. // Bell Telephone Labor Inc
PDF File 1880715.pdf 1.58 MB Shaun Ewing Oct 04, 1932 00:00
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US-1880715-A // Transmission control circuits // Bjornson Bjorn G. ; Jr. Arthur W. Horton, ; Norwine Andrew C. // Bell Telephone Labor Inc
PDF File 2066539.pdf 1.58 MB Shaun Ewing Jan 05, 1937 00:00
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US-2066539-A // Control circuit // Rosene Victor E. // Bell Telephone Labor Inc
PDF File 1869178.pdf 1.57 MB Shaun Ewing Jul 26, 1932 00:00
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US-1869178-A // Sound translating device // Thuras Albert L. // Bell Telephone Labor Inc
PDF File 2077936.pdf 1.57 MB Shaun Ewing Apr 20, 1937 00:00
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US-2077936-A // Telegraph circuit // Kinkead Fullerton S. ; Locke George A. // Bell Telephone Labor Inc
PDF File 2092493.pdf 1.57 MB Shaun Ewing Sept 07, 1937 00:00
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US-2092493-A // Automatic stock quotation system // Allen Lawrence H. ; Gooderham John W. // Bell Telephone Labor Inc
PDF File 2032421.pdf 1.57 MB Shaun Ewing Mar 03, 1936 00:00
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US-2032421-A // Teletypewriter system // Krecek Joseph A. // Bell Telephone Labor Inc
PDF File 2140138.pdf 1.56 MB Shaun Ewing Dec 13, 1938 00:00
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US-2140138-A // Impulse transmitter // Miller Albert H. // Bell Telephone Labor Inc
PDF File 1910977.pdf 1.56 MB Shaun Ewing May 23, 1933 00:00
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US-1910977-A // Wave transmission system // Jr. Charles L. Weis, // Bell Telephone Labor Inc
PDF File 2012810.pdf 1.56 MB Shaun Ewing Aug 27, 1935 00:00
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US-2012810-A // Transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc
PDF File 2083374.pdf 1.56 MB Shaun Ewing Jun 08, 1937 00:00
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US-2083374-A // Recording and reproducing system // Harley John B. // Bell Telephone Labor Inc
PDF File 2093080.pdf 1.55 MB Shaun Ewing Sept 14, 1937 00:00
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US-2093080-A // Teletypewriter system // Hysko John L. ; Large Wayne V. K. ; Munro Charles C. // Bell Telephone Labor Inc
PDF File 2008874.pdf 1.55 MB Shaun Ewing Jul 23, 1935 00:00
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US-2008874-A // Photo-electric tube // Olpin Albert R. // Bell Telephone Labor Inc
PDF File 1849088.pdf 1.54 MB Shaun Ewing Mar 15, 1932 00:00
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US-1849088-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc
PDF File 2008281.pdf 1.54 MB Shaun Ewing Jul 16, 1935 00:00
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US-2008281-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc
PDF File 2118156.pdf 1.54 MB Shaun Ewing May 24, 1938 00:00
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US-2118156-A // Impulse operated system employing glow discharge tubes // Burton Everett T. // Bell Telephone Labor Inc
PDF File 2096027.pdf 1.53 MB Shaun Ewing Oct 19, 1937 00:00
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US-2096027-A // Attenuation equalizer // Bode Hendrik W. // Bell Telephone Labor Inc
PDF File 2189898.pdf 1.53 MB Shaun Ewing Feb 13, 1940 00:00
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US-2189898-A // System of communication // Hartley Ralph V. L. // Bell Telephone Labor Inc
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