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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1260971.pdf | 3.24 MB | Shaun Ewing | Mar 26, 1918 00:00 |
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US-1260971-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.24 MB | Shaun Ewing | Mar 26, 1918 00:00 | US-1260971-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1179741.pdf | 3.23 MB | Shaun Ewing | Apr 18, 1916 00:00 |
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US-1179741-A // Automatic telephone system. // George E. Mueller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.23 MB | Shaun Ewing | Apr 18, 1916 00:00 | US-1179741-A // Automatic telephone system. // George E. Mueller // Kellogg Switchboard & Supply | ||||
| PDF File 1110613.pdf | 3.19 MB | Shaun Ewing | Sept 15, 1914 00:00 |
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US-1110613-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.19 MB | Shaun Ewing | Sept 15, 1914 00:00 | US-1110613-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 2577067.pdf | 3.16 MB | Shaun Ewing | Dec 04, 1951 00:00 |
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US-2577067-A // Crossbar switch // Arthur Richard P. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.16 MB | Shaun Ewing | Dec 04, 1951 00:00 | US-2577067-A // Crossbar switch // Arthur Richard P. // Kellogg Switchboard & Supply | ||||
| PDF File 1146177.pdf | 3.13 MB | Shaun Ewing | Jul 13, 1915 00:00 |
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US-1146177-A // Telephone system. // Edmund Land // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.13 MB | Shaun Ewing | Jul 13, 1915 00:00 | US-1146177-A // Telephone system. // Edmund Land // Kellogg Switchboard & Supply | ||||
| PDF File 1205943.pdf | 3.07 MB | Shaun Ewing | Nov 21, 1916 00:00 |
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US-1205943-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.07 MB | Shaun Ewing | Nov 21, 1916 00:00 | US-1205943-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1110492.pdf | 3.07 MB | Shaun Ewing | Sept 15, 1914 00:00 |
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US-1110492-A // Selector-switch for automatic exchanges. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.07 MB | Shaun Ewing | Sept 15, 1914 00:00 | US-1110492-A // Selector-switch for automatic exchanges. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1288454.pdf | 3.02 MB | Shaun Ewing | Dec 17, 1918 00:00 |
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US-1288454-A // Telephone-exchange system. // Harold D. Stroud // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.02 MB | Shaun Ewing | Dec 17, 1918 00:00 | US-1288454-A // Telephone-exchange system. // Harold D. Stroud // Kellogg Switchboard & Supply | ||||
| PDF File 1428762.pdf | 3.01 MB | Shaun Ewing | Sept 12, 1922 00:00 |
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US-1428762-A // Telephone system // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.01 MB | Shaun Ewing | Sept 12, 1922 00:00 | US-1428762-A // Telephone system // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1126963.pdf | 3.00 MB | Shaun Ewing | Feb 02, 1915 00:00 |
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US-1126963-A // Semi-automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.00 MB | Shaun Ewing | Feb 02, 1915 00:00 | US-1126963-A // Semi-automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1759855.pdf | 2.98 MB | Shaun Ewing | May 27, 1930 00:00 |
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US-1759855-A // Telephone system // Kiner Glenn // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.98 MB | Shaun Ewing | May 27, 1930 00:00 | US-1759855-A // Telephone system // Kiner Glenn // Kellogg Switchboard & Supply | ||||
| PDF File 1229165.pdf | 2.98 MB | Shaun Ewing | Jun 05, 1917 00:00 |
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US-1229165-A // Telephone-exchange system. // Harold D. Stroud // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.98 MB | Shaun Ewing | Jun 05, 1917 00:00 | US-1229165-A // Telephone-exchange system. // Harold D. Stroud // Kellogg Switchboard & Supply | ||||
| PDF File 1110460.pdf | 2.96 MB | Shaun Ewing | Sept 15, 1914 00:00 |
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US-1110460-A // Automatic telephone-exchange system. // Fred Schoenwolf // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.96 MB | Shaun Ewing | Sept 15, 1914 00:00 | US-1110460-A // Automatic telephone-exchange system. // Fred Schoenwolf // Kellogg Switchboard & Supply | ||||
| PDF File 2542303.pdf | 2.89 MB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542303-A // Winding machine // Bosh James E. ; Alex Peter // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.89 MB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542303-A // Winding machine // Bosh James E. ; Alex Peter // Kellogg Switchboard & Supply | ||||
| PDF File 1197989.pdf | 2.88 MB | Shaun Ewing | Sept 12, 1916 00:00 |
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US-1197989-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.88 MB | Shaun Ewing | Sept 12, 1916 00:00 | US-1197989-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 2442947.pdf | 2.84 MB | Shaun Ewing | Jun 08, 1948 00:00 |
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US-2442947-A // Code-call system // Blyholder Orlando // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.84 MB | Shaun Ewing | Jun 08, 1948 00:00 | US-2442947-A // Code-call system // Blyholder Orlando // Kellogg Switchboard & Supply | ||||
| PDF File 1402936.pdf | 2.78 MB | Shaun Ewing | Jan 10, 1922 00:00 |
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US-1402936-A // Automatic telephone system // Ide Harry H. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.78 MB | Shaun Ewing | Jan 10, 1922 00:00 | US-1402936-A // Automatic telephone system // Ide Harry H. // Kellogg Switchboard & Supply | ||||
| PDF File 1556761.pdf | 2.72 MB | Shaun Ewing | Oct 13, 1925 00:00 |
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US-1556761-A // Trunk circuits // Currier Hiram D. ; Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.72 MB | Shaun Ewing | Oct 13, 1925 00:00 | US-1556761-A // Trunk circuits // Currier Hiram D. ; Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 1530601.pdf | 2.71 MB | Shaun Ewing | Mar 24, 1925 00:00 |
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US-1530601-A // Telephone system // Kellogg Leroy D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.71 MB | Shaun Ewing | Mar 24, 1925 00:00 | US-1530601-A // Telephone system // Kellogg Leroy D. // Kellogg Switchboard & Supply | ||||
| PDF File 974955.pdf | 2.68 MB | Shaun Ewing | Nov 08, 1910 00:00 |
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US-974955-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.68 MB | Shaun Ewing | Nov 08, 1910 00:00 | US-974955-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply |
