Name Size Creator Creation Date Labels Comment  
PDF File 1468249.pdf 1.45 MB Shaun Ewing Sept 18, 1923 00:00
  • No labels
US-1468249-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 775226.pdf 1.45 MB Shaun Ewing Nov 15, 1904 00:00
  • No labels
US-775226-A // Telephone-exchange system. // Harry G. Webster // Stromberg Carlson Telephone Company
PDF File 1293817.pdf 1.44 MB Shaun Ewing Feb 11, 1919 00:00
  • No labels
US-1293817-A // Call-distributing telephone system. // John H. Levis, Jr. // Stromberg Carlson Telephone
PDF File 3927273.pdf 1.44 MB Shaun Ewing Dec 16, 1975 00:00
  • No labels
US-3927273-A // Junctor memory // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg Carlson Corp
PDF File 3705268.pdf 1.43 MB Shaun Ewing Dec 05, 1972 00:00
  • No labels
US-3705268-A // Passive junctor circuit and selectively associated junctor control // Otto Altenburger // Stromberg Carlson Corp
PDF File 1482374.pdf 1.43 MB Shaun Ewing Jan 29, 1924 00:00
  • No labels
US-1482374-A // Cord circuit // Seymour Arthur J. // Stromberg Carlson Telephone
PDF File 3825692.pdf 1.43 MB Shaun Ewing Jul 23, 1974 00:00
  • No labels
US-3825692-A // Simplified conference facility for pbx // Gueldenpfennig K,us ; Pommerening U,us ; Russell S,us // Stromberg Carlson Corp
PDF File 2702314.pdf 1.43 MB Shaun Ewing Feb 15, 1955 00:00
  • No labels
US-2702314-A // Conversation timing means // Pharis William W. // Stromberg Carlson Co
PDF File 3903373.pdf 1.42 MB Shaun Ewing Sept 02, 1975 00:00
  • No labels
US-3903373-A // Combined operator controlled dial-up conference for PBX // Gueldenpfennig; Klaus ; Pedrick; Robert F. // Stromberg Carlson Corp
PDF File 853291.pdf 1.42 MB Shaun Ewing May 14, 1907 00:00
  • No labels
US-853291-A // Telephone system. // Garrison Babcock // Stromberg Carlson Telephone
PDF File 1247887.pdf 1.41 MB Shaun Ewing Nov 27, 1917 00:00
  • No labels
US-1247887-A // Telephone system. // Frank M. Slough // Stromberg Carlson Telephone
PDF File 1294841.pdf 1.40 MB Shaun Ewing Feb 18, 1919 00:00
  • No labels
US-1294841-A // Telephone system. // Frank M. Slough // Stromberg Carlson Telephone
PDF File 955633.pdf 1.40 MB Shaun Ewing Apr 19, 1910 00:00
  • No labels
US-955633-A // Telephone system. // Merritt S. Conner // Stromberg Carlson Telephone
PDF File 766224.pdf 1.39 MB Shaun Ewing Aug 02, 1904 00:00
  • No labels
US-766224-A // Selective signaling system. // William M. Davis // Stromberg Carlson Telephone
PDF File 4220823.pdf 1.39 MB Shaun Ewing Sept 02, 1980 00:00
  • No labels
US-4220823-A // Selectively controlled digital pad // Littlefield, Bruce G // Stromberg-Carlson Corporation
PDF File 1565954.pdf 1.39 MB Shaun Ewing Dec 15, 1925 00:00
  • No labels
US-1565954-A // Telephone-exchange system // Powell Winfred T. // Stromberg Carlson Telephone
PDF File 3781481.pdf 1.39 MB Shaun Ewing Dec 25, 1973 00:00
  • No labels
US-3781481-A // Amplifier select and control circuit // Shaffer W,us ; Krawczyk C,us // Stromberg Carlson Corp
PDF File 2584004.pdf 1.38 MB Shaun Ewing Jan 29, 1952 00:00
  • No labels
US-2584004-A // Method and apparatus for automatically aligning electrical circuits // Enslein Kurt // Stromberg Carlson Co
PDF File 2694172.pdf 1.37 MB Shaun Ewing Nov 09, 1954 00:00
  • No labels
US-2694172-A // Direct current power supply // Trousdale Robert B. // Stromberg Carlson Co
PDF File 1812641.pdf 1.37 MB Shaun Ewing Jun 30, 1931 00:00
  • No labels
US-1812641-A // Remote control magneto telephone system // Powell Winfred T. // Stromberg Carlson Telephone
  1. Prev
  2. 1
  3. 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. 47
  17. Next