Name Size Creator Creation Date Labels Comment  
PDF File 1904252.pdf 2.13 MB Shaun Ewing Apr 18, 1933 00:00
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US-1904252-A // Telephone system // Robb Theodore D. // Bell Telephone Labor Inc
PDF File 1904271.pdf 356 kB Shaun Ewing Apr 18, 1933 00:00
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US-1904271-A // Submarine cable anchorage // Chase Charles A. // Bell Telephone Labor Inc
PDF File 1904272.pdf 664 kB Shaun Ewing Apr 18, 1933 00:00
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US-1904272-A // Vacuum tube amplifier circuit // Cousins Van Meter // 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 1904490.pdf 354 kB Shaun Ewing Apr 18, 1933 00:00
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US-1904490-A // Turntable for phonographs // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 1904569.pdf 673 kB Shaun Ewing Apr 18, 1933 00:00
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US-1904569-A // Protective device // Tebo Julian D. // Bell Telephone Labor Inc
PDF File 1904598.pdf 1.11 MB Shaun Ewing Apr 18, 1933 00:00
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US-1904598-A // Testing system // Anderson Frithiof B. // Bell Telephone Labor Inc
PDF File 1904618.pdf 1.27 MB Shaun Ewing Apr 18, 1933 00:00
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US-1904618-A // Telegraph system // Burton Everett T. // Bell Telephone Labor Inc
PDF File 1905662.pdf 1.51 MB Shaun Ewing Apr 25, 1933 00:00
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US-1905662-A // Telephone system // Ulrich Horace W. // Bell Telephone Labor Inc
PDF File 1905669.pdf 372 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905669-A // Vibration translating device // Yenzer George R. // Bell Telephone Labor Inc
PDF File 1905704.pdf 897 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905704-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc
PDF File 1905711.pdf 761 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905711-A // Telephone system // Hinrichsen Edward E. // Bell Telephone Labor Inc
PDF File 1905714.pdf 839 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905714-A // Signaling system // Horton Joseph W. // 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 1905723.pdf 196 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905723-A // Vibration damping device // Landsman Wesley E. // Bell Telephone Labor Inc
PDF File 1905761.pdf 359 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905761-A // Cable suspension // John Everett St. ; Miller Stanley C. // Bell Telephone Labor Inc
PDF File 1905792.pdf 498 kB Shaun Ewing Apr 25, 1933 00:00
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US-1905792-A // Transmission system // Bruce Edmond // Bell Telephone Labor Inc
PDF File 1906973.pdf 587 kB Shaun Ewing May 02, 1933 00:00
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US-1906973-A // Photographic copying system // Kingsbury Edwin F. // Bell Telephone Labor Inc
PDF File 1907105.pdf 428 kB Shaun Ewing May 02, 1933 00:00
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US-1907105-A // Magnetic testing // Haworth Francis E. // Bell Telephone Labor Inc
PDF File 1907114.pdf 460 kB Shaun Ewing May 02, 1933 00:00
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US-1907114-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc
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