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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1257283.pdf | 7.53 MB | Shaun Ewing | Feb 19, 1918 00:00 |
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US-1257283-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 7.53 MB | Shaun Ewing | Feb 19, 1918 00:00 | US-1257283-A // Automatic telephone system. // Alfred H. Dyson // Kellogg Switchboard & Supply | ||||
| PDF File 1257163.pdf | 1012 kB | Shaun Ewing | Feb 19, 1918 00:00 |
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US-1257163-A // Electrical battery-charging system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1012 kB | Shaun Ewing | Feb 19, 1918 00:00 | US-1257163-A // Electrical battery-charging system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1255374.pdf | 1.03 MB | Shaun Ewing | Feb 05, 1918 00:00 |
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US-1255374-A // Telephone system with universal cord-circuit. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Feb 05, 1918 00:00 | US-1255374-A // Telephone system with universal cord-circuit. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1251967.pdf | 498 kB | Shaun Ewing | Jan 01, 1918 00:00 |
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US-1251967-A // Call-answering meter for cord-circuits. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Jan 01, 1918 00:00 | US-1251967-A // Call-answering meter for cord-circuits. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1251350.pdf | 1.93 MB | Shaun Ewing | Dec 25, 1917 00:00 |
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US-1251350-A // Telephone system. // Gerald Deakin // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.93 MB | Shaun Ewing | Dec 25, 1917 00:00 | US-1251350-A // Telephone system. // Gerald Deakin // Kellogg Switchboard & Supply | ||||
| PDF File 1250589.pdf | 318 kB | Shaun Ewing | Dec 18, 1917 00:00 |
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US-1250589-A // Signaling-horn. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Dec 18, 1917 00:00 | US-1250589-A // Signaling-horn. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1249036.pdf | 974 kB | Shaun Ewing | Dec 04, 1917 00:00 |
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US-1249036-A // Telephone system. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 974 kB | Shaun Ewing | Dec 04, 1917 00:00 | US-1249036-A // Telephone system. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1247916.pdf | 328 kB | Shaun Ewing | Nov 27, 1917 00:00 |
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US-1247916-A // Connection-terminal. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 328 kB | Shaun Ewing | Nov 27, 1917 00:00 | US-1247916-A // Connection-terminal. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1247197.pdf | 2.32 MB | Shaun Ewing | Nov 20, 1917 00:00 |
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US-1247197-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.32 MB | Shaun Ewing | Nov 20, 1917 00:00 | US-1247197-A // Automatic telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1246362.pdf | 494 kB | Shaun Ewing | Nov 13, 1917 00:00 |
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US-1246362-A // Call-answering meter for cord-circuits. // Richard I. Utter // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 494 kB | Shaun Ewing | Nov 13, 1917 00:00 | US-1246362-A // Call-answering meter for cord-circuits. // Richard I. Utter // Kellogg Switchboard & Supply | ||||
| PDF File 1245628.pdf | 468 kB | Shaun Ewing | Nov 06, 1917 00:00 |
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US-1245628-A // Spring-terminal for binding-posts. // Charles H. Smith // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Nov 06, 1917 00:00 | US-1245628-A // Spring-terminal for binding-posts. // Charles H. Smith // Kellogg Switchboard & Supply | ||||
| PDF File 1244475.pdf | 218 kB | Shaun Ewing | Oct 30, 1917 00:00 |
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US-1244475-A // Switchboard-lamp. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 218 kB | Shaun Ewing | Oct 30, 1917 00:00 | US-1244475-A // Switchboard-lamp. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1243772.pdf | 665 kB | Shaun Ewing | Oct 23, 1917 00:00 |
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US-1243772-A // Signaling-horn. // Charles H. Smith // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 665 kB | Shaun Ewing | Oct 23, 1917 00:00 | US-1243772-A // Signaling-horn. // Charles H. Smith // Kellogg Switchboard & Supply | ||||
| PDF File 1243047.pdf | 753 kB | Shaun Ewing | Oct 16, 1917 00:00 |
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US-1243047-A // Electrical signaling device. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 753 kB | Shaun Ewing | Oct 16, 1917 00:00 | US-1243047-A // Electrical signaling device. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 1242338.pdf | 1.39 MB | Shaun Ewing | Oct 09, 1917 00:00 |
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US-1242338-A // Telephone system. // Harry N. Faris // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Oct 09, 1917 00:00 | US-1242338-A // Telephone system. // Harry N. Faris // Kellogg Switchboard & Supply | ||||
| PDF File 1239357.pdf | 711 kB | Shaun Ewing | Sept 04, 1917 00:00 |
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US-1239357-A // Relay. // Hiram D. Currier ; Lawrence Ericson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 711 kB | Shaun Ewing | Sept 04, 1917 00:00 | US-1239357-A // Relay. // Hiram D. Currier ; Lawrence Ericson // 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 1238748.pdf | 1.91 MB | Shaun Ewing | Sept 04, 1917 00:00 |
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US-1238748-A // Multi-exchange telephone system. // Hiram D. Currier ; Richard I. Utter // Kellogg And Switchboard And Supply Company | |||
| Version 1 (current) | 1.91 MB | Shaun Ewing | Sept 04, 1917 00:00 | US-1238748-A // Multi-exchange telephone system. // Hiram D. Currier ; Richard I. Utter // Kellogg And Switchboard And Supply Company | ||||
| PDF File 1237214.pdf | 5.21 MB | Shaun Ewing | Aug 14, 1917 00:00 |
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US-1237214-A // Two-wire automatic telephone system. // George E. Mueller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 5.21 MB | Shaun Ewing | Aug 14, 1917 00:00 | US-1237214-A // Two-wire automatic telephone system. // George E. Mueller // Kellogg Switchboard & Supply | ||||
| PDF File 1235848.pdf | 855 kB | Shaun Ewing | Aug 07, 1917 00:00 |
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US-1235848-A // Telephone system. // Charles A. Simpson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 855 kB | Shaun Ewing | Aug 07, 1917 00:00 | US-1235848-A // Telephone system. // Charles A. Simpson // Kellogg Switchboard & Supply |
