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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1794753.pdf | 1.22 MB | Shaun Ewing | Mar 03, 1931 00:00 |
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US-1794753-A // Tube mechanism // Bohlman Ernest A. ; Rose Morris // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Mar 03, 1931 00:00 | US-1794753-A // Tube mechanism // Bohlman Ernest A. ; Rose Morris // Kellogg Switchboard & Supply | ||||
| PDF File 2355139.pdf | 1.22 MB | Shaun Ewing | Aug 08, 1944 00:00 |
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US-2355139-A // Lockout telephone line circuit // Bellamy John I. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Aug 08, 1944 00:00 | US-2355139-A // Lockout telephone line circuit // Bellamy John I. // Kellogg Switchboard & Supply | ||||
| PDF File 794702.pdf | 1.21 MB | Shaun Ewing | Jul 11, 1905 00:00 |
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US-794702-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Jul 11, 1905 00:00 | US-794702-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 1221030.pdf | 1.21 MB | Shaun Ewing | Apr 03, 1917 00:00 |
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US-1221030-A // Telephone system. // Hiram D. Currier // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Apr 03, 1917 00:00 | US-1221030-A // Telephone system. // Hiram D. Currier // Kellogg Switchboard & Supply | ||||
| PDF File 1710720.pdf | 1.21 MB | Shaun Ewing | Apr 30, 1929 00:00 |
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US-1710720-A // Multiple control // Bohlman Ernest A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Apr 30, 1929 00:00 | US-1710720-A // Multiple control // Bohlman Ernest A. // Kellogg Switchboard & Supply | ||||
| PDF File 1193835.pdf | 1.20 MB | Shaun Ewing | Aug 08, 1916 00:00 |
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US-1193835-A // simpson // Charles A. Simpson, 05 Chicago, Illinois, // Kellogg Switchboard And Supply Company, Of Chicago, Illinois, A Corporation Os" Illinois. | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Aug 08, 1916 00:00 | US-1193835-A // simpson // Charles A. Simpson, 05 Chicago, Illinois, // Kellogg Switchboard And Supply Company, Of Chicago, Illinois, A Corporation Os" Illinois. | ||||
| PDF File 2201358.pdf | 1.20 MB | Shaun Ewing | May 21, 1940 00:00 |
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US-2201358-A // Common battery cord circuit // Wallace Bert A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | May 21, 1940 00:00 | US-2201358-A // Common battery cord circuit // Wallace Bert A. // Kellogg Switchboard & Supply | ||||
| PDF File 2344653.pdf | 1.20 MB | Shaun Ewing | Mar 21, 1944 00:00 |
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US-2344653-A // Telephone line circuit // Staszak Michael B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Mar 21, 1944 00:00 | US-2344653-A // Telephone line circuit // Staszak Michael B. // Kellogg Switchboard & Supply | ||||
| PDF File 1513171.pdf | 1.20 MB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513171-A // Telephone system // Hilbish John E. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513171-A // Telephone system // Hilbish John E. // Kellogg Switchboard & Supply | ||||
| PDF File 2300186.pdf | 1.19 MB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300186-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300186-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | ||||
| PDF File 907224.pdf | 1.19 MB | Shaun Ewing | Dec 22, 1908 00:00 |
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US-907224-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Dec 22, 1908 00:00 | US-907224-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 774770.pdf | 1.18 MB | Shaun Ewing | Nov 15, 1904 00:00 |
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US-774770-A // Central-energy telephone system. // Kempster B. Miller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Nov 15, 1904 00:00 | US-774770-A // Central-energy telephone system. // Kempster B. Miller // Kellogg Switchboard & Supply | ||||
| PDF File 1280395.pdf | 1.18 MB | Shaun Ewing | Oct 01, 1918 00:00 |
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US-1280395-A // Universal cord-circuits. // Alva J. Carter // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Oct 01, 1918 00:00 | US-1280395-A // Universal cord-circuits. // Alva J. Carter // Kellogg Switchboard & Supply | ||||
| PDF File 1554349.pdf | 1.17 MB | Shaun Ewing | Sept 22, 1925 00:00 |
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US-1554349-A // Substation circuit // Ide Harry H. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Sept 22, 1925 00:00 | US-1554349-A // Substation circuit // Ide Harry H. // Kellogg Switchboard & Supply | ||||
| PDF File 1842507.pdf | 1.17 MB | Shaun Ewing | Jan 26, 1932 00:00 |
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US-1842507-A // Condenser // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Jan 26, 1932 00:00 | US-1842507-A // Condenser // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1551748.pdf | 1.17 MB | Shaun Ewing | Sept 01, 1925 00:00 |
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US-1551748-A // Telephone system // Kellogg Leroy D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Sept 01, 1925 00:00 | US-1551748-A // Telephone system // Kellogg Leroy D. // Kellogg Switchboard & Supply | ||||
| PDF File 853286.pdf | 1.16 MB | Shaun Ewing | May 14, 1907 00:00 |
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US-853286-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | May 14, 1907 00:00 | US-853286-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 816819.pdf | 1.16 MB | Shaun Ewing | Apr 03, 1906 00:00 |
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US-816819-A // Two-division telephone system. // Howard M. Post // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Apr 03, 1906 00:00 | US-816819-A // Two-division telephone system. // Howard M. Post // Kellogg Switchboard & Supply | ||||
| PDF File 1193698.pdf | 1.16 MB | Shaun Ewing | Aug 08, 1916 00:00 |
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US-1193698-A // kaisling // William Kaisling, Of Illinois // Kellogg Switchboard And Supply Company, Of Chicago, Illinois, A Corporation Of Illinois. | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Aug 08, 1916 00:00 | US-1193698-A // kaisling // William Kaisling, Of Illinois // Kellogg Switchboard And Supply Company, Of Chicago, Illinois, A Corporation Of Illinois. | ||||
| PDF File 2538815.pdf | 1.16 MB | Shaun Ewing | Jan 23, 1951 00:00 |
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US-2538815-A // Electromagnetic counting device // Bellamy John I. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Jan 23, 1951 00:00 | US-2538815-A // Electromagnetic counting device // Bellamy John I. // Kellogg Switchboard & Supply |
