Name Size Creator Creation Date Labels Comment  
PDF File 1179109.pdf 361 kB Shaun Ewing Apr 11, 1916 00:00
  • No labels
US-1179109-A // Dimmer-switch for lighting-circuits. // William Kaisling // Kellogg Switchboard & Supply
PDF File 1592978.pdf 360 kB Shaun Ewing Jul 20, 1926 00:00
  • No labels
US-1592978-A // Head receiver set // Jr. Frank William Kaisling, // Kellogg Switchboard & Supply
PDF File 1232044.pdf 355 kB Shaun Ewing Jul 03, 1917 00:00
  • No labels
US-1232044-A // Ringing-relay. // William Kaisling // Kellogg Switchboard & Supply
PDF File 896617.pdf 354 kB Shaun Ewing Aug 18, 1908 00:00
  • No labels
US-896617-A // Telephone-switchboard apparatus. // Lewis A. Brinkman // Kellogg Switchboard & Supply
PDF File 958925.pdf 353 kB Shaun Ewing May 24, 1910 00:00
  • No labels
US-958925-A // Telephone set. // William Kaisling // Kellogg Switchboard & Supply
PDF File 2452433.pdf 352 kB Shaun Ewing Oct 26, 1948 00:00
  • No labels
US-2452433-A // Method and apparatus for making elastic coil cables with longitudinal ends // Collins Ralph D. // Kellogg Switchboard & Supply
PDF File 1711692.pdf 351 kB Shaun Ewing May 07, 1929 00:00
  • No labels
US-1711692-A // Spring adjuster // Robinson Clarence M. // Kellogg Switchboard & Supply
PDF File 1813241.pdf 348 kB Shaun Ewing Jul 07, 1931 00:00
  • No labels
US-1813241-A // Thermionic tube // Koch Earl L. // Kellogg Switchboard & Supply
PDF File 1192323.pdf 347 kB Shaun Ewing Jul 25, 1916 00:00
  • No labels
US-1192323-A // Relay. // William Kaisling // Kellogg Switchboard & Supply
PDF File 1672889.pdf 346 kB Shaun Ewing Jun 12, 1928 00:00
  • No labels
US-1672889-A // Coil // Ide Harry H. // Kellogg Switchboard & Supply
PDF File 2127343.pdf 345 kB Shaun Ewing Aug 16, 1938 00:00
  • No labels
US-2127343-A // Annunciator system // Parlett Albert // Kellogg Switchboard & Supply
PDF File 863338.pdf 345 kB Shaun Ewing Aug 13, 1907 00:00
  • No labels
US-863338-A // Telephone trunk-circuit. // Charles S. Winston // Kellogg Switchboard & Supply
PDF File 592327.pdf 343 kB Shaun Ewing Oct 26, 1897 00:00
  • No labels
US-592327-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place.
PDF File 2056268.pdf 340 kB Shaun Ewing Oct 06, 1936 00:00
  • No labels
US-2056268-A // Socket // Grout Martin B. // Kellogg Switchboard & Supply
PDF File 1174484.pdf 337 kB Shaun Ewing Mar 07, 1916 00:00
  • No labels
US-1174484-A // Clamping device for electromagnets. // Lawrence Ericson // Kellogg Switchboard & Supply
PDF File 2338208.pdf 336 kB Shaun Ewing Jan 04, 1944 00:00
  • No labels
US-2338208-A // Pole changer // Shaver John // Kellogg Switchboard & Supply
PDF File 1909491.pdf 334 kB Shaun Ewing May 16, 1933 00:00
  • No labels
US-1909491-A // Coil // Howie John L. // Kellogg Switchboard & Supply
PDF File 1014780.pdf 333 kB Shaun Ewing Jan 16, 1912 00:00
  • No labels
US-1014780-A // Spool-head. // Charles H. Smith // Kellogg Switchboard & Supply
PDF File 836489.pdf 332 kB Shaun Ewing Nov 20, 1906 00:00
  • No labels
US-836489-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply
PDF File 1899045.pdf 332 kB Shaun Ewing Feb 28, 1933 00:00
  • No labels
US-1899045-A // Rectifier // Miller Carl // Kellogg Switchboard & Supply
  1. Prev
  2. 1
  3. …
  4. 43
  5. 44
  6. 45
  7. 46
  8. 47
  9. 48
  10. 49
  11. 50
  12. 51
  13. 52
  14. 53
  15. Next