Name Size Creator Creation Date Labels Comment  
PDF File 447220.pdf 557 kB Shaun Ewing Feb 24, 1891 00:00
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US-447220-A // Transmitter-circuit. // Anthony C. White, Op Massachusetts // The American Bell Telephone Company, Of Same Place.
PDF File 473044.pdf 551 kB Shaun Ewing Apr 19, 1892 00:00
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US-473044-A // Conduit for Electric Wires. // Ciiaeles Ii. Wilson, Of Illinois // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 553179.pdf 546 kB Shaun Ewing Jan 14, 1896 00:00
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US-553179-A // Telephone-circuit. // Edward Slade, Of And John S. Stone Of Boston // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 335364.pdf 545 kB Shaun Ewing Feb 02, 1886 00:00
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US-335364-A // Telephone-transmitter. // Albeet K. Keller, Op And Edward H. Lyon Op Chelsea // The American" Bell Telephone Company, Op Boston, Massachusetts.
PDF File 515531.pdf 544 kB Shaun Ewing Feb 27, 1894 00:00
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US-515531-A // Switch and Circuit for Telephone-exchanges. // Joseph J. Oconnell, Of Illinois Assignor By Mesne // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 425862.pdf 543 kB Shaun Ewing Apr 15, 1890 00:00
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US-425862-A // Multiple Telephony. // John J. Carty, Of N. Y. // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 521220.pdf 543 kB Shaun Ewing Jun 12, 1894 00:00
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US-521220-A // Electric Telephone. // Wilton L. Richaeds, Of // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 357452.pdf 539 kB Shaun Ewing Feb 08, 1887 00:00
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US-357452-A // Telephone-transmitter. // Francis Blake, Of // The American" Bell Telephone Company, Of Boston, Massachusetts.
PDF File 474323.pdf 539 kB Shaun Ewing May 03, 1892 00:00
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US-474323-A // Telephone-circuit. // Hammond V. Hayes, Of // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 463569.pdf 538 kB Shaun Ewing Nov 17, 1891 00:00
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US-463569-A // Combined Telegraph and Telephone. // Emile Berliner, Of District Of Columbia // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 565080.pdf 535 kB Shaun Ewing Aug 04, 1896 00:00
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US-565080-A // Telephone-substation Apparatus. // Achilles De Kijotdtsky, Of Massachusetts // Tite American Bell Telephone Company, Of Same Place.
PDF File 558168.pdf 534 kB Shaun Ewing Apr 14, 1896 00:00
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US-558168-A // Call-counter for Telephones. // Stephen" D. Field, Of Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 656333.pdf 530 kB Shaun Ewing Aug 21, 1900 00:00
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US-656333-A // Telephone-switchboard apparatus. // Thomas C. Wales, Jr. // American Bell Telephone Co
PDF File 541152.pdf 530 kB Shaun Ewing Jun 18, 1895 00:00
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US-541152-A // Distrib.uting-frame for Telephone-circuit Conductors. // Frank B. Cook, Of Illinois // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 755944.pdf 527 kB Shaun Ewing Mar 29, 1904 00:00
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US-755944-A // Pneumatic musical apparatus. // Frank Schippers // American Bell And Chime Company
PDF File 456817.pdf 525 kB Shaun Ewing Jul 28, 1891 00:00
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US-456817-A // Electric-circuit-changing Apparatus. // Hammond V. Hayes, Of // The American Bell Telephone Company, Op Boston, Massachusetts.
PDF File 377073.pdf 520 kB Shaun Ewing Jan 31, 1888 00:00
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US-377073-A // Protecting Device for Electrical Apparatus. // Angus S. Hibbaed, Of N. Y. // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 716287.pdf 520 kB Shaun Ewing Dec 16, 1902 00:00
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US-716287-A // Key-plate for use in the manufacture of tune plates or cylinders. // Frank Schippers // American Bell And Chime Company
PDF File 557527.pdf 513 kB Shaun Ewing Mar 31, 1896 00:00
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US-557527-A // Switchboard-signal. // Isaiah Ii. Farniiam, Of Massachusetts // The American Bell Telephone Company, Of Boston, Massachusetts.
PDF File 531078.pdf 511 kB Shaun Ewing Dec 18, 1894 00:00
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US-531078-A // Telephone Speaking-tube System. // Thomas 0. Wales, Jr. Of Boston Massachusetts // The American Bell Telephone Company, Of Same Place.
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