Name Size Creator Creation Date Labels Comment  
PDF File 967475.pdf 601 kB Shaun Ewing Aug 16, 1910 00:00
  • No labels
US-967475-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 804861.pdf 600 kB Shaun Ewing Nov 21, 1905 00:00
  • No labels
US-804861-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply
PDF File 1106655.pdf 600 kB Shaun Ewing Aug 11, 1914 00:00
  • No labels
US-1106655-A // Telephone call-bell or ringer. // William Kaisling // Kellogg Switchboard & Supply
PDF File 592356.pdf 600 kB Shaun Ewing Oct 26, 1897 00:00
  • No labels
US-592356-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 937909.pdf 600 kB Shaun Ewing Oct 26, 1909 00:00
  • No labels
US-937909-A // Method of wiring telephone-switchboards. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 842306.pdf 597 kB Shaun Ewing Jan 29, 1907 00:00
  • No labels
US-842306-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply
PDF File 1791131.pdf 597 kB Shaun Ewing Feb 03, 1931 00:00
  • No labels
US-1791131-A // Illuminated dial // Horn Royal // Kellogg Switchboard & Supply
PDF File 897042.pdf 594 kB Shaun Ewing Aug 25, 1908 00:00
  • No labels
US-897042-A // Telephone system. // Alfred H. Weiss // Kellogg Switchboard & Supply
PDF File 1333422.pdf 594 kB Shaun Ewing Mar 09, 1920 00:00
  • No labels
US-1333422-A // Polarity-indicator // Kaisling William // Kellogg Switchboard ; Supply Company
PDF File 913795.pdf 593 kB Shaun Ewing Mar 02, 1909 00:00
  • No labels
US-913795-A // Testing system for telephone-lines. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 1019060.pdf 593 kB Shaun Ewing Mar 05, 1912 00:00
  • No labels
US-1019060-A // Circuit-breaker. // Albion D. T. Libby // Kellogg Switchboard & Supply
PDF File 1657145.pdf 592 kB Shaun Ewing Jan 24, 1928 00:00
  • No labels
US-1657145-A // Receiver // Bohlman Ernest A. // Kellogg Switchboard & Supply
PDF File 1511345.pdf 589 kB Shaun Ewing Oct 14, 1924 00:00
  • No labels
US-1511345-A // Motor horn // Kaisling William // Kellogg Switchboard & Supply
PDF File 909566.pdf 588 kB Shaun Ewing Jan 12, 1909 00:00
  • No labels
US-909566-A // Telephone-transmitter. // Joseph B. Edwards // Kellogg Switchboard & Supply
PDF File 1759853.pdf 587 kB Shaun Ewing May 27, 1930 00:00
  • No labels
US-1759853-A // Receiving circuit // Kellogg Leroy D. // Kellogg Switchboard & Supply
PDF File 592330.pdf 585 kB Shaun Ewing Oct 26, 1897 00:00
  • No labels
US-592330-A // Switchboard // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 2204346.pdf 585 kB Shaun Ewing Jun 11, 1940 00:00
  • No labels
US-2204346-A // Time recorder system // Eaton George R. // Kellogg Switchboard & Supply
PDF File 728060.pdf 584 kB Shaun Ewing May 12, 1903 00:00
  • No labels
US-728060-A // Switchboard incandescent lamp. // Allen D. Whipple // Kellogg Switchboard & Supply
PDF File 838525.pdf 584 kB Shaun Ewing Dec 18, 1906 00:00
  • No labels
US-838525-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply
PDF File 1728596.pdf 582 kB Shaun Ewing Sept 17, 1929 00:00
  • No labels
US-1728596-A // Multiple control // Currier Hiram D. // Kellogg Switchboard & Supply
  1. Prev
  2. 1
  3. …
  4. 32
  5. 33
  6. 34
  7. 35
  8. 36
  9. 37
  10. 38
  11. 39
  12. 40
  13. 41
  14. 42
  15. 43
  16. 44
  17. …
  18. 53
  19. Next