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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1439071.pdf | 1.66 MB | Shaun Ewing | Dec 19, 1922 00:00 |
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US-1439071-A // Secret-service cord circuits // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Dec 19, 1922 00:00 | US-1439071-A // Secret-service cord circuits // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1344195.pdf | 1.66 MB | Shaun Ewing | Jun 22, 1920 00:00 |
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US-1344195-A // Telephone system // Yanochowski George A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Jun 22, 1920 00:00 | US-1344195-A // Telephone system // Yanochowski George A. // Kellogg Switchboard & Supply | ||||
| PDF File 851500.pdf | 1.66 MB | Shaun Ewing | Apr 23, 1907 00:00 |
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US-851500-A // Telephone trunking system. // Willam W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Apr 23, 1907 00:00 | US-851500-A // Telephone trunking system. // Willam W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 1532216.pdf | 1.66 MB | Shaun Ewing | Apr 07, 1925 00:00 |
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US-1532216-A // Telephone system // Yanochowski George A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Apr 07, 1925 00:00 | US-1532216-A // Telephone system // Yanochowski George A. // Kellogg Switchboard & Supply | ||||
| PDF File 848814.pdf | 1.65 MB | Shaun Ewing | Apr 02, 1907 00:00 |
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US-848814-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.65 MB | Shaun Ewing | Apr 02, 1907 00:00 | US-848814-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 1587515.pdf | 1.65 MB | Shaun Ewing | Jun 08, 1926 00:00 |
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US-1587515-A // Call-distributing system // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.65 MB | Shaun Ewing | Jun 08, 1926 00:00 | US-1587515-A // Call-distributing system // Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 1438170.pdf | 1.64 MB | Shaun Ewing | Dec 12, 1922 00:00 |
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US-1438170-A // Telephone system with flickering recall // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Dec 12, 1922 00:00 | US-1438170-A // Telephone system with flickering recall // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1680344.pdf | 1.64 MB | Shaun Ewing | Aug 14, 1928 00:00 |
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US-1680344-A // Telephone system // Stazak Michael B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Aug 14, 1928 00:00 | US-1680344-A // Telephone system // Stazak Michael B. // Kellogg Switchboard & Supply | ||||
| PDF File 717973.pdf | 1.63 MB | Shaun Ewing | Jan 06, 1903 00:00 |
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US-717973-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Jan 06, 1903 00:00 | US-717973-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 844506.pdf | 1.63 MB | Shaun Ewing | Feb 19, 1907 00:00 |
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US-844506-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Feb 19, 1907 00:00 | US-844506-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 1343489.pdf | 1.63 MB | Shaun Ewing | Jun 15, 1920 00:00 |
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US-1343489-A // System for interconnecting manual and automatic telephone-exchanges // Wolf George D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Jun 15, 1920 00:00 | US-1343489-A // System for interconnecting manual and automatic telephone-exchanges // Wolf George D. // Kellogg Switchboard & Supply | ||||
| PDF File 2228392.pdf | 1.61 MB | Shaun Ewing | Jan 14, 1941 00:00 |
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US-2228392-A // Telephone system // Kiner Glenn // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Jan 14, 1941 00:00 | US-2228392-A // Telephone system // Kiner Glenn // Kellogg Switchboard & Supply | ||||
| PDF File 1119526.pdf | 1.61 MB | Shaun Ewing | Dec 01, 1914 00:00 |
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US-1119526-A // Calling device. // George E. Mueller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Dec 01, 1914 00:00 | US-1119526-A // Calling device. // George E. Mueller // Kellogg Switchboard & Supply | ||||
| PDF File 1581244.pdf | 1.61 MB | Shaun Ewing | Apr 20, 1926 00:00 |
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US-1581244-A // Telephone system // Suekoff Samuel // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Apr 20, 1926 00:00 | US-1581244-A // Telephone system // Suekoff Samuel // Kellogg Switchboard & Supply | ||||
| PDF File 1172364.pdf | 1.60 MB | Shaun Ewing | Feb 22, 1916 00:00 |
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US-1172364-A // Combination lighting and ignition switch. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Feb 22, 1916 00:00 | US-1172364-A // Combination lighting and ignition switch. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1492655.pdf | 1.59 MB | Shaun Ewing | May 06, 1924 00:00 |
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US-1492655-A // Telephone system // Suekoff Samuel // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | May 06, 1924 00:00 | US-1492655-A // Telephone system // Suekoff Samuel // Kellogg Switchboard & Supply | ||||
| PDF File 2548723.pdf | 1.57 MB | Shaun Ewing | Apr 10, 1951 00:00 |
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US-2548723-A // Telephone set hook-switch apparatus // Jr. Joseph F. Houdek, // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.57 MB | Shaun Ewing | Apr 10, 1951 00:00 | US-2548723-A // Telephone set hook-switch apparatus // Jr. Joseph F. Houdek, // Kellogg Switchboard & Supply | ||||
| PDF File 960176.pdf | 1.56 MB | Shaun Ewing | May 31, 1910 00:00 |
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US-960176-A // Automatic distributing system. // Leroy D. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | May 31, 1910 00:00 | US-960176-A // Automatic distributing system. // Leroy D. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 1753187.pdf | 1.56 MB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1753187-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Apr 01, 1930 00:00 | US-1753187-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 984547.pdf | 1.55 MB | Shaun Ewing | Feb 21, 1911 00:00 |
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US-984547-A // Central-energy telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.55 MB | Shaun Ewing | Feb 21, 1911 00:00 | US-984547-A // Central-energy telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply |
