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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2513048.pdf | 1.17 MB | Shaun Ewing | Jun 27, 1950 00:00 |
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US-2513048-A // All relay telephone selector switch // Powell Winfred T. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Jun 27, 1950 00:00 | US-2513048-A // All relay telephone selector switch // Powell Winfred T. // Stromberg Carlson Co | ||||
| PDF File 2715158.pdf | 1.17 MB | Shaun Ewing | Aug 09, 1955 00:00 |
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US-2715158-A // Signaling system // Hall John A. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Aug 09, 1955 00:00 | US-2715158-A // Signaling system // Hall John A. // Stromberg Carlson Co | ||||
| PDF File 901683.pdf | 1.16 MB | Shaun Ewing | Oct 20, 1908 00:00 |
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US-901683-A // Supervisory system. // Merritt S. Conner // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Oct 20, 1908 00:00 | US-901683-A // Supervisory system. // Merritt S. Conner // Stromberg Carlson Telephone | ||||
| PDF File 3732377.pdf | 1.16 MB | Shaun Ewing | May 08, 1973 00:00 |
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US-3732377-A // Outgoing trunk marker // Altenburger O,us ; Stoddard D,us // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | May 08, 1973 00:00 | US-3732377-A // Outgoing trunk marker // Altenburger O,us ; Stoddard D,us // Stromberg Carlson Corp | ||||
| PDF File 740421.pdf | 1.15 MB | Shaun Ewing | Oct 06, 1903 00:00 |
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US-740421-A // Bulldozer. // John S. Goldberg // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Oct 06, 1903 00:00 | US-740421-A // Bulldozer. // John S. Goldberg // Stromberg Carlson Telephone | ||||
| PDF File 1100749.pdf | 1.15 MB | Shaun Ewing | Jun 23, 1914 00:00 |
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US-1100749-A // Manual-call-distributing system. // John H. Levis, Jr. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Jun 23, 1914 00:00 | US-1100749-A // Manual-call-distributing system. // John H. Levis, Jr. // Stromberg Carlson Telephone | ||||
| PDF File 1298414.pdf | 1.15 MB | Shaun Ewing | Mar 25, 1919 00:00 |
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US-1298414-A // Telephone system. // Frank M. Slough // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Mar 25, 1919 00:00 | US-1298414-A // Telephone system. // Frank M. Slough // Stromberg Carlson Telephone | ||||
| PDF File 2409586.pdf | 1.14 MB | Shaun Ewing | Oct 15, 1946 00:00 |
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US-2409586-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Oct 15, 1946 00:00 | US-2409586-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Co | ||||
| PDF File 2617931.pdf | 1.14 MB | Shaun Ewing | Nov 11, 1952 00:00 |
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US-2617931-A // Pulse commutating ring counter circuit // Trousdale Robert B. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Nov 11, 1952 00:00 | US-2617931-A // Pulse commutating ring counter circuit // Trousdale Robert B. // Stromberg Carlson Co | ||||
| PDF File 3626109.pdf | 1.14 MB | Shaun Ewing | Dec 07, 1971 00:00 |
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US-3626109-A // Call-forwarding process // William F. Bartlett ; William A. Oswald ; Frank Y. Shaw // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Dec 07, 1971 00:00 | US-3626109-A // Call-forwarding process // William F. Bartlett ; William A. Oswald ; Frank Y. Shaw // Stromberg Carlson Corp | ||||
| PDF File 3920901.pdf | 1.13 MB | Shaun Ewing | Nov 18, 1975 00:00 |
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US-3920901-A // Generator used for time synchronization in video-telephone // Boehly; Michael A. ; Randmere; Uno // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Nov 18, 1975 00:00 | US-3920901-A // Generator used for time synchronization in video-telephone // Boehly; Michael A. ; Randmere; Uno // Stromberg Carlson Corp | ||||
| PDF File 3999019.pdf | 1.13 MB | Shaun Ewing | Dec 21, 1976 00:00 |
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US-3999019-A // Private automatic branch exchange providing line appearance connection of operator complex to single stage matrix // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg-Carlson Corporation | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Dec 21, 1976 00:00 | US-3999019-A // Private automatic branch exchange providing line appearance connection of operator complex to single stage matrix // Pommerening; Uwe A. ; Richards; Glenn L. // Stromberg-Carlson Corporation | ||||
| PDF File 3692946.pdf | 1.13 MB | Shaun Ewing | Sept 19, 1972 00:00 |
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US-3692946-A // Special service routing // Ignas Budrys ; Ernest O. Lee Jr. // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Sept 19, 1972 00:00 | US-3692946-A // Special service routing // Ignas Budrys ; Ernest O. Lee Jr. // Stromberg Carlson Corp | ||||
| PDF File 816135.pdf | 1.12 MB | Shaun Ewing | Mar 27, 1906 00:00 |
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US-816135-A // Telephone-exchange system. // Harold D. Stroud // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Mar 27, 1906 00:00 | US-816135-A // Telephone-exchange system. // Harold D. Stroud // Stromberg Carlson Telephone | ||||
| PDF File 2584857.pdf | 1.12 MB | Shaun Ewing | Feb 05, 1952 00:00 |
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US-2584857-A // Alarm system for unattended automatic exchanges // Frankel Theodore // Stromberg Carlson Co | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Feb 05, 1952 00:00 | US-2584857-A // Alarm system for unattended automatic exchanges // Frankel Theodore // Stromberg Carlson Co | ||||
| PDF File 1564020.pdf | 1.12 MB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1564020-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Dec 01, 1925 00:00 | US-1564020-A // Automatic telephone system // Powell Winfred T. // Stromberg Carlson Telephone | ||||
| PDF File 3936614.pdf | 1.12 MB | Shaun Ewing | Feb 03, 1976 00:00 |
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US-3936614-A // PBX ground start trunk interface for station carrier systems // Suntop; Morris A. // Stromberg-Carlson Corporation | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Feb 03, 1976 00:00 | US-3936614-A // PBX ground start trunk interface for station carrier systems // Suntop; Morris A. // Stromberg-Carlson Corporation | ||||
| PDF File 3824350.pdf | 1.11 MB | Shaun Ewing | Jul 16, 1974 00:00 |
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US-3824350-A // Access circuit for shared telephone equipment // Merriam D,us // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Jul 16, 1974 00:00 | US-3824350-A // Access circuit for shared telephone equipment // Merriam D,us // Stromberg Carlson Corp | ||||
| PDF File 3859473.pdf | 1.11 MB | Shaun Ewing | Jan 07, 1975 00:00 |
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US-3859473-A // Centralized attendant service arrangement for PABX complex // Brown; Wilbert C. ; Hoctor; Arthur E. // Stromberg Carlson Corp | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Jan 07, 1975 00:00 | US-3859473-A // Centralized attendant service arrangement for PABX complex // Brown; Wilbert C. ; Hoctor; Arthur E. // Stromberg Carlson Corp | ||||
| PDF File 989205.pdf | 1.11 MB | Shaun Ewing | Apr 11, 1911 00:00 |
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US-989205-A // Telephone system. // David L. Temple ; Charles L. Goodrum // Stromberg Carlson Telephone | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Apr 11, 1911 00:00 | US-989205-A // Telephone system. // David L. Temple ; Charles L. Goodrum // Stromberg Carlson Telephone |
