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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1235302.pdf | 4.19 MB | Shaun Ewing | Jul 31, 1917 00:00 |
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US-1235302-A // Telephone system. // Thomas H. Ferguson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 4.19 MB | Shaun Ewing | Jul 31, 1917 00:00 | US-1235302-A // Telephone system. // Thomas H. Ferguson // Kellogg Switchboard & Supply | ||||
| PDF File 1559138.pdf | 4.18 MB | Shaun Ewing | Oct 27, 1925 00:00 |
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US-1559138-A // Automatic telephone system // Webster Harry G. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 4.18 MB | Shaun Ewing | Oct 27, 1925 00:00 | US-1559138-A // Automatic telephone system // Webster Harry G. // Kellogg Switchboard & Supply | ||||
| PDF File 2559702.pdf | 3.96 MB | Shaun Ewing | Jul 10, 1951 00:00 |
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US-2559702-A // Selector switching system // Bellamy John I. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.96 MB | Shaun Ewing | Jul 10, 1951 00:00 | US-2559702-A // Selector switching system // Bellamy John I. // Kellogg Switchboard & Supply | ||||
| PDF File 1184933.pdf | 3.82 MB | Shaun Ewing | May 30, 1916 00:00 |
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US-1184933-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.82 MB | Shaun Ewing | May 30, 1916 00:00 | US-1184933-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1193179.pdf | 3.81 MB | Shaun Ewing | Aug 01, 1916 00:00 |
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US-1193179-A // mueller // Geobge E. Mueller, Of Illinois Assiotob By Mesne // Kellogg Switchboard & Supply Company, A Corpobation Of Illinois. | |||
| Version 1 (current) | 3.81 MB | Shaun Ewing | Aug 01, 1916 00:00 | US-1193179-A // mueller // Geobge E. Mueller, Of Illinois Assiotob By Mesne // Kellogg Switchboard & Supply Company, A Corpobation Of Illinois. | ||||
| PDF File 976524.pdf | 3.65 MB | Shaun Ewing | Nov 22, 1910 00:00 |
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US-976524-A // Automatic telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.65 MB | Shaun Ewing | Nov 22, 1910 00:00 | US-976524-A // Automatic telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1594898.pdf | 3.60 MB | Shaun Ewing | Aug 03, 1926 00:00 |
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US-1594898-A // Telephone system // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.60 MB | Shaun Ewing | Aug 03, 1926 00:00 | US-1594898-A // Telephone system // Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 1623337.pdf | 3.60 MB | Shaun Ewing | Apr 05, 1927 00:00 |
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US-1623337-A // Telephone-exchange system // Dunbar Francis W. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.60 MB | Shaun Ewing | Apr 05, 1927 00:00 | US-1623337-A // Telephone-exchange system // Dunbar Francis W. // Kellogg Switchboard & Supply | ||||
| PDF File 1559137.pdf | 3.60 MB | Shaun Ewing | Oct 27, 1925 00:00 |
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US-1559137-A // Telephone-exchange system // Webster Harry G. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.60 MB | Shaun Ewing | Oct 27, 1925 00:00 | US-1559137-A // Telephone-exchange system // Webster Harry G. // Kellogg Switchboard & Supply | ||||
| PDF File 1097307.pdf | 3.46 MB | Shaun Ewing | May 19, 1914 00:00 |
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US-1097307-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.46 MB | Shaun Ewing | May 19, 1914 00:00 | US-1097307-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1144407.pdf | 3.41 MB | Shaun Ewing | Jun 29, 1915 00:00 |
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US-1144407-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.41 MB | Shaun Ewing | Jun 29, 1915 00:00 | US-1144407-A // Telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1578809.pdf | 3.41 MB | Shaun Ewing | Mar 30, 1926 00:00 |
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US-1578809-A // Telephone system // Currier Hiram D. ; Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.41 MB | Shaun Ewing | Mar 30, 1926 00:00 | US-1578809-A // Telephone system // Currier Hiram D. ; Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 1118910.pdf | 3.40 MB | Shaun Ewing | Nov 24, 1914 00:00 |
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US-1118910-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.40 MB | Shaun Ewing | Nov 24, 1914 00:00 | US-1118910-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1173564.pdf | 3.39 MB | Shaun Ewing | Feb 29, 1916 00:00 |
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US-1173564-A // Operator's calling device. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.39 MB | Shaun Ewing | Feb 29, 1916 00:00 | US-1173564-A // Operator's calling device. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 981399.pdf | 3.35 MB | Shaun Ewing | Jan 10, 1911 00:00 |
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US-981399-A // Telephone trunking system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.35 MB | Shaun Ewing | Jan 10, 1911 00:00 | US-981399-A // Telephone trunking system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1133111.pdf | 3.28 MB | Shaun Ewing | Mar 23, 1915 00:00 |
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US-1133111-A // Telephone-exchange system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.28 MB | Shaun Ewing | Mar 23, 1915 00:00 | US-1133111-A // Telephone-exchange system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 815380.pdf | 3.28 MB | Shaun Ewing | Mar 20, 1906 00:00 |
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US-815380-A // Telephonic apparatus. // John G. Roberts // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.28 MB | Shaun Ewing | Mar 20, 1906 00:00 | US-815380-A // Telephonic apparatus. // John G. Roberts // Kellogg Switchboard & Supply | ||||
| PDF File 1239207.pdf | 3.27 MB | Shaun Ewing | Sept 04, 1917 00:00 |
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US-1239207-A // Automatic telephone system. // George E. Mueller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.27 MB | Shaun Ewing | Sept 04, 1917 00:00 | US-1239207-A // Automatic telephone system. // George E. Mueller // Kellogg Switchboard & Supply | ||||
| PDF File 1503095.pdf | 3.26 MB | Shaun Ewing | Jul 29, 1924 00:00 |
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US-1503095-A // Telephone system // Currier Hiram D. ; Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.26 MB | Shaun Ewing | Jul 29, 1924 00:00 | US-1503095-A // Telephone system // Currier Hiram D. ; Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 853682.pdf | 3.24 MB | Shaun Ewing | May 14, 1907 00:00 |
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US-853682-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.24 MB | Shaun Ewing | May 14, 1907 00:00 | US-853682-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply |
