Name Size Creator Creation Date Labels Comment  
PDF File 4166199.pdf 1.90 MB Shaun Ewing Aug 28, 1979 00:00
  • No labels
US-4166199-A // Attendant console complex // Breidenstein, Charles J ; Gueldenpfennig, Klaus // Stromberg-Carlson Corporation
PDF File 4021624.pdf 1.90 MB Shaun Ewing May 03, 1977 00:00
  • No labels
US-4021624-A // Automatic call generator // Kelly; Patrick M. ; Dorazio; Alton // Stromberg-Carlson Corporation
PDF File 1861754.pdf 1.89 MB Shaun Ewing Jun 07, 1932 00:00
  • No labels
US-1861754-A // Call distributing telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 2686223.pdf 1.87 MB Shaun Ewing Aug 10, 1954 00:00
  • No labels
US-2686223-A // Combined toll and local connector // Powell Winfred T. // Stromberg Carlson Co
PDF File 3729591.pdf 1.86 MB Shaun Ewing Apr 24, 1973 00:00
  • No labels
US-3729591-A // Path finding system for a multi-stage switching network // Gueldenpfennig K,us ; Russell S,us // Stromberg Carlson Corp
PDF File 1502917.pdf 1.85 MB Shaun Ewing Jul 29, 1924 00:00
  • No labels
US-1502917-A // Interoffice trunking system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 994719.pdf 1.84 MB Shaun Ewing Jun 13, 1911 00:00
  • No labels
US-994719-A // Telephone system. // Henry P. Clausen // Stromberg Carlson Telephone
PDF File 3816665.pdf 1.82 MB Shaun Ewing Jun 11, 1974 00:00
  • No labels
US-3816665-A // Operator loop complex // Russell S,us ; Gueldenpfenning K,us ; Pommerening U,us // Stromberg Carlson Corp
PDF File 901698.pdf 1.80 MB Shaun Ewing Oct 20, 1908 00:00
  • No labels
US-901698-A // Automatic telephone-exchange system. // Bert G. Dunham // Stromberg Carlson Telephone
PDF File 2680782.pdf 1.78 MB Shaun Ewing Jun 08, 1954 00:00
  • No labels
US-2680782-A // Power supply circuit for electronic telephone systems // Morris Frank A. // Stromberg Carlson Co
PDF File 775227.pdf 1.78 MB Shaun Ewing Nov 15, 1904 00:00
  • No labels
US-775227-A // Telephone-exchange system. // Harry G. Webster // Stromberg Carlson Telephone Company
PDF File 2657267.pdf 1.77 MB Shaun Ewing Oct 27, 1953 00:00
  • No labels
US-2657267-A // Telephone system coin control adapter and connector // Pharis William W. // Stromberg Carlson Co
PDF File 2611084.pdf 1.77 MB Shaun Ewing Sept 16, 1952 00:00
  • No labels
US-2611084-A // Electronic wave chopping circuits // Gratian Joseph W. // Stromberg Carlson Co
PDF File 3496303.pdf 1.76 MB Shaun Ewing Feb 17, 1970 00:00
  • No labels
US-3496303-A // Universal junctor with special features trunk // William W. Pharis // Stromberg Carlson Corp
PDF File 3867581.pdf 1.74 MB Shaun Ewing Feb 18, 1975 00:00
  • No labels
US-3867581-A // Universal night service circuit // Pommerening; Uwe A. // Stromberg Carlson Corp
PDF File 3485955.pdf 1.73 MB Shaun Ewing Dec 23, 1969 00:00
  • No labels
US-3485955-A // Stuck relay alarm circuit // James G. Pearce ; William W. Pharis // Stromberg Carlson Corp
PDF File 4042788.pdf 1.72 MB Shaun Ewing Aug 16, 1977 00:00
  • No labels
US-4042788-A // Tone detector // Richards; Glenn L. // Stromberg-Carlson Corporation
PDF File 2659769.pdf 1.72 MB Shaun Ewing Nov 17, 1953 00:00
  • No labels
US-2659769-A // Telephone reverting call system // Elliott George // Stromberg Carlson Co
PDF File 1701575.pdf 1.71 MB Shaun Ewing Feb 12, 1929 00:00
  • No labels
US-1701575-A // Manual telephone system // Jr. John H. Levis, // Stromberg Carlson Telephone
PDF File 4002850.pdf 1.70 MB Shaun Ewing Jan 11, 1977 00:00
  • No labels
US-4002850-A // Trunk adapter // Richards; Glenn L. ; Pommerening; Uwe A. // Stromberg-Carlson Corporation
  1. Prev
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 47
  15. Next