Name Size Creator Creation Date Labels Comment  
PDF File 1710803.pdf 1.37 MB Shaun Ewing Apr 30, 1929 00:00
  • No labels
US-1710803-A // Multi office telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 1402905.pdf 1.37 MB Shaun Ewing Jan 10, 1922 00:00
  • No labels
US-1402905-A // Telephone system // Slough Frank M. // Stromberg Carlson Telephone
PDF File 2605362.pdf 1.36 MB Shaun Ewing Jul 29, 1952 00:00
  • No labels
US-2605362-A // Telephone party line intercept circuit // Kessler Frank // Stromberg Carlson Co
PDF File 4117268.pdf 1.36 MB Shaun Ewing Sept 26, 1978 00:00
  • No labels
US-4117268-A // Digital direct response switching system // Bartlett; William F. // Stromberg-Carlson Corporation
PDF File 853304.pdf 1.36 MB Shaun Ewing May 14, 1907 00:00
  • No labels
US-853304-A // Telephone-exchange system. // Arthur R. Kahl // Stromberg Carlson Telephone
PDF File 901669.pdf 1.35 MB Shaun Ewing Oct 20, 1908 00:00
  • No labels
US-901669-A // Multiparty-line telephone-exchange system. // Garrison Babcock // Stromberg Carlson Telephone
PDF File 966013.pdf 1.35 MB Shaun Ewing Aug 02, 1910 00:00
  • No labels
US-966013-A // Telephone-exchange system. // Charles E. Hague // Stromberg Carlson Telephone
PDF File 3723659.pdf 1.34 MB Shaun Ewing Mar 27, 1973 00:00
  • No labels
US-3723659-A // Group hunting circuit // Budrys I,us ; Lee E,us // Stromberg Carlson Corp
PDF File 3660600.pdf 1.34 MB Shaun Ewing May 02, 1972 00:00
  • No labels
US-3660600-A // Path finding system for multi-stage switching matrix // Ernest O. Lee Jr. // Stromberg Carlson Corp
PDF File 1579837.pdf 1.33 MB Shaun Ewing Apr 06, 1926 00:00
  • No labels
US-1579837-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 1684361.pdf 1.33 MB Shaun Ewing Sept 11, 1928 00:00
  • No labels
US-1684361-A // Radio receiving system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 1035204.pdf 1.33 MB Shaun Ewing Aug 13, 1912 00:00
  • No labels
US-1035204-A // System for measuring the capacity of electrical conductors. // Oscar M. Leich ; Charles E. Hague // Stromberg Carlson Telephone
PDF File 2672510.pdf 1.33 MB Shaun Ewing Mar 16, 1954 00:00
  • No labels
US-2672510-A // Vertical synchronization circuit for television receivers // Enslein Kurt // Stromberg Carlson Co
PDF File 1873772.pdf 1.32 MB Shaun Ewing Aug 23, 1932 00:00
  • No labels
US-1873772-A // Metering system // Jr. John H. Levis, // Stromberg Carlson Telephone
PDF File 1515361.pdf 1.32 MB Shaun Ewing Nov 11, 1924 00:00
  • No labels
US-1515361-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 1044748.pdf 1.31 MB Shaun Ewing Nov 19, 1912 00:00
  • No labels
US-1044748-A // Telephone system. // Henry P. Clausen // Stromberg Carlson Telephone
PDF File 921187.pdf 1.28 MB Shaun Ewing May 11, 1909 00:00
  • No labels
US-921187-A // Telephone-exchange system. // Harry G. Webster // Stromberg Carlson Telephone
PDF File 1575602.pdf 1.27 MB Shaun Ewing Mar 02, 1926 00:00
  • No labels
US-1575602-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 1515362.pdf 1.27 MB Shaun Ewing Nov 11, 1924 00:00
  • No labels
US-1515362-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 1407892.pdf 1.26 MB Shaun Ewing Feb 28, 1922 00:00
  • No labels
US-1407892-A // Telephone system // Slough Frank M. // Stromberg Carlson Telephone
  1. Prev
  2. 1
  3. 4
  4. 5
  5. 6
  6. 7
  7. 8
  8. 9
  9. 10
  10. 11
  11. 12
  12. 13
  13. 14
  14. 15
  15. 16
  16. 47
  17. Next