Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1519330.pdf | 1.58 MB | Shaun Ewing | Dec 16, 1924 00:00 |
|
US-1519330-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.58 MB | Shaun Ewing | Dec 16, 1924 00:00 | US-1519330-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 824701.pdf | 1.57 MB | Shaun Ewing | Jul 03, 1906 00:00 |
|
US-824701-A // Multiparty-line exchange system. // Garrison Babcock // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.57 MB | Shaun Ewing | Jul 03, 1906 00:00 | US-824701-A // Multiparty-line exchange system. // Garrison Babcock // Stromberg Carlson Telephone | ||||
| PDF File 802671.pdf | 1.57 MB | Shaun Ewing | Oct 24, 1905 00:00 |
|
US-802671-A // Telephone-exchange system. // Harry G. Webster // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.57 MB | Shaun Ewing | Oct 24, 1905 00:00 | US-802671-A // Telephone-exchange system. // Harry G. Webster // Stromberg Carlson Telephone | ||||
| PDF File 1652836.pdf | 1.56 MB | Shaun Ewing | Dec 13, 1927 00:00 |
|
US-1652836-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Dec 13, 1927 00:00 | US-1652836-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 3626107.pdf | 1.56 MB | Shaun Ewing | Dec 07, 1971 00:00 |
|
US-3626107-A // Three-way calling and call-waiting arrangements for step-by-step telephone systems // Loren K. Armstrong ; George R. Bergquist // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Dec 07, 1971 00:00 | US-3626107-A // Three-way calling and call-waiting arrangements for step-by-step telephone systems // Loren K. Armstrong ; George R. Bergquist // Stromberg Carlson Corp | ||||
| PDF File 3963875.pdf | 1.53 MB | Shaun Ewing | Jun 15, 1976 00:00 |
|
US-3963875-A // Universal answer arrangement for a PABX // Gueldenpfennig; Klaus // Stromberg-Carlson Corporation | |||
| Version 1 (current) | 1.53 MB | Shaun Ewing | Jun 15, 1976 00:00 | US-3963875-A // Universal answer arrangement for a PABX // Gueldenpfennig; Klaus // Stromberg-Carlson Corporation | ||||
| PDF File 1701576.pdf | 1.52 MB | Shaun Ewing | Feb 12, 1929 00:00 |
|
US-1701576-A // Manual telephone system // Jr. John H. Levis, // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.52 MB | Shaun Ewing | Feb 12, 1929 00:00 | US-1701576-A // Manual telephone system // Jr. John H. Levis, // Stromberg Carlson Telephone | ||||
| PDF File 1002277.pdf | 1.51 MB | Shaun Ewing | Sept 05, 1911 00:00 |
|
US-1002277-A // Telephone system. // Arthur R. Kahl // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Sept 05, 1911 00:00 | US-1002277-A // Telephone system. // Arthur R. Kahl // Stromberg Carlson Telephone | ||||
| PDF File 901685.pdf | 1.51 MB | Shaun Ewing | Oct 20, 1908 00:00 |
|
US-901685-A // Telephone-exchange system. // Merritt S. Conner // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Oct 20, 1908 00:00 | US-901685-A // Telephone-exchange system. // Merritt S. Conner // Stromberg Carlson Telephone | ||||
| PDF File 1579835.pdf | 1.51 MB | Shaun Ewing | Apr 06, 1926 00:00 |
|
US-1579835-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579835-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 2715162.pdf | 1.50 MB | Shaun Ewing | Aug 09, 1955 00:00 |
|
US-2715162-A // Automatic routine apparatus // Weiner Sherman B. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Aug 09, 1955 00:00 | US-2715162-A // Automatic routine apparatus // Weiner Sherman B. // Stromberg Carlson Co | ||||
| PDF File 2679014.pdf | 1.50 MB | Shaun Ewing | May 18, 1954 00:00 |
|
US-2679014-A // Multifrequency voltage generator // Wheeler John L. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | May 18, 1954 00:00 | US-2679014-A // Multifrequency voltage generator // Wheeler John L. // Stromberg Carlson Co | ||||
| PDF File 793941.pdf | 1.49 MB | Shaun Ewing | Jul 04, 1905 00:00 |
|
US-793941-A // Telephone-exchange system. // Edmund Land // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Jul 04, 1905 00:00 | US-793941-A // Telephone-exchange system. // Edmund Land // Stromberg Carlson Telephone | ||||
| PDF File 2513049.pdf | 1.48 MB | Shaun Ewing | Jun 27, 1950 00:00 |
|
US-2513049-A // Automatic combined coder and timed release telephone system // Powell Winfred T. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Jun 27, 1950 00:00 | US-2513049-A // Automatic combined coder and timed release telephone system // Powell Winfred T. // Stromberg Carlson Co | ||||
| PDF File 1462252.pdf | 1.48 MB | Shaun Ewing | Jul 17, 1923 00:00 |
|
US-1462252-A // Telephone-signal-allotting system // Taggart John A. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Jul 17, 1923 00:00 | US-1462252-A // Telephone-signal-allotting system // Taggart John A. // Stromberg Carlson Telephone | ||||
| PDF File 2627056.pdf | 1.48 MB | Shaun Ewing | Jan 27, 1953 00:00 |
|
US-2627056-A // Control device // Gleason Howard S. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Jan 27, 1953 00:00 | US-2627056-A // Control device // Gleason Howard S. // Stromberg Carlson Co | ||||
| PDF File 2667539.pdf | 1.48 MB | Shaun Ewing | Jan 26, 1954 00:00 |
|
US-2667539-A // Automatic telephone connector circuit // Kessler Frank ; Frankel Theodor // Stromberg Carlson Co | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Jan 26, 1954 00:00 | US-2667539-A // Automatic telephone connector circuit // Kessler Frank ; Frankel Theodor // Stromberg Carlson Co | ||||
| PDF File 3904831.pdf | 1.47 MB | Shaun Ewing | Sept 09, 1975 00:00 |
|
US-3904831-A // Tone control arrangement for electronic PABX // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.47 MB | Shaun Ewing | Sept 09, 1975 00:00 | US-3904831-A // Tone control arrangement for electronic PABX // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg Carlson Corp | ||||
| PDF File 1503923.pdf | 1.46 MB | Shaun Ewing | Aug 05, 1924 00:00 |
|
US-1503923-A // Telephone switching system // Slough Frank M. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Aug 05, 1924 00:00 | US-1503923-A // Telephone switching system // Slough Frank M. // Stromberg Carlson Telephone | ||||
| PDF File 2362448.pdf | 1.46 MB | Shaun Ewing | Nov 14, 1944 00:00 |
|
US-2362448-A // Crossbar switch system // Bowser Theron Lorimer // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Nov 14, 1944 00:00 | US-2362448-A // Crossbar switch system // Bowser Theron Lorimer // Stromberg Carlson Telephone |
