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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1927514.pdf | 383 kB | Shaun Ewing | Sept 19, 1933 00:00 |
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US-1927514-A // Telephone switchboard // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Sept 19, 1933 00:00 | US-1927514-A // Telephone switchboard // Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 1914446.pdf | 718 kB | Shaun Ewing | Jun 20, 1933 00:00 |
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US-1914446-A // Tuning apparatus // Miller Carl // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 718 kB | Shaun Ewing | Jun 20, 1933 00:00 | US-1914446-A // Tuning apparatus // Miller Carl // Kellogg Switchboard & Supply | ||||
| PDF File 1914432.pdf | 306 kB | Shaun Ewing | Jun 20, 1933 00:00 |
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US-1914432-A // Cathode coating process // Koch Earl L. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 306 kB | Shaun Ewing | Jun 20, 1933 00:00 | US-1914432-A // Cathode coating process // Koch Earl L. // Kellogg Switchboard & Supply | ||||
| PDF File 1909491.pdf | 334 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909491-A // Coil // Howie John L. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 334 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909491-A // Coil // Howie John L. // Kellogg Switchboard & Supply | ||||
| PDF File 1899084.pdf | 1.92 MB | Shaun Ewing | Feb 28, 1933 00:00 |
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US-1899084-A // Telephone system // Eaton George R. ; Kiner Glenn // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.92 MB | Shaun Ewing | Feb 28, 1933 00:00 | US-1899084-A // Telephone system // Eaton George R. ; Kiner Glenn // Kellogg Switchboard & Supply | ||||
| PDF File 1899045.pdf | 332 kB | Shaun Ewing | Feb 28, 1933 00:00 |
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US-1899045-A // Rectifier // Miller Carl // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Feb 28, 1933 00:00 | US-1899045-A // Rectifier // Miller Carl // Kellogg Switchboard & Supply | ||||
| PDF File 1899039.pdf | 470 kB | Shaun Ewing | Feb 28, 1933 00:00 |
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US-1899039-A // Audion tube // Koch Earl L. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 470 kB | Shaun Ewing | Feb 28, 1933 00:00 | US-1899039-A // Audion tube // Koch Earl L. // Kellogg Switchboard & Supply | ||||
| PDF File 1890721.pdf | 779 kB | Shaun Ewing | Dec 13, 1932 00:00 |
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US-1890721-A // Tuning apparatus // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Dec 13, 1932 00:00 | US-1890721-A // Tuning apparatus // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1890480.pdf | 1.47 MB | Shaun Ewing | Dec 13, 1932 00:00 |
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US-1890480-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.47 MB | Shaun Ewing | Dec 13, 1932 00:00 | US-1890480-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | ||||
| PDF File 1890479.pdf | 1.16 MB | Shaun Ewing | Dec 13, 1932 00:00 |
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US-1890479-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Dec 13, 1932 00:00 | US-1890479-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | ||||
| PDF File 1882460.pdf | 264 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1882460-A // Ignition coil // Wallenta Bernard H. A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 264 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1882460-A // Ignition coil // Wallenta Bernard H. A. // Kellogg Switchboard & Supply | ||||
| PDF File 1864194.pdf | 1.49 MB | Shaun Ewing | Jun 21, 1932 00:00 |
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US-1864194-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Jun 21, 1932 00:00 | US-1864194-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1864162.pdf | 269 kB | Shaun Ewing | Jun 21, 1932 00:00 |
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US-1864162-A // Cordage machine // Zettek Frank // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 269 kB | Shaun Ewing | Jun 21, 1932 00:00 | US-1864162-A // Cordage machine // Zettek Frank // Kellogg Switchboard & Supply | ||||
| PDF File 1860997.pdf | 521 kB | Shaun Ewing | May 31, 1932 00:00 |
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US-1860997-A // Receiving circuit // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 521 kB | Shaun Ewing | May 31, 1932 00:00 | US-1860997-A // Receiving circuit // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1860996.pdf | 499 kB | Shaun Ewing | May 31, 1932 00:00 |
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US-1860996-A // Receiving circuit // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 499 kB | Shaun Ewing | May 31, 1932 00:00 | US-1860996-A // Receiving circuit // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1850374.pdf | 242 kB | Shaun Ewing | Mar 22, 1932 00:00 |
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US-1850374-A // Relay // Bosh Frank // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 242 kB | Shaun Ewing | Mar 22, 1932 00:00 | US-1850374-A // Relay // Bosh Frank // Kellogg Switchboard & Supply | ||||
| PDF File 1850102.pdf | 2.59 MB | Shaun Ewing | Mar 22, 1932 00:00 |
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US-1850102-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.59 MB | Shaun Ewing | Mar 22, 1932 00:00 | US-1850102-A // Winding machine // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1850096.pdf | 952 kB | Shaun Ewing | Mar 22, 1932 00:00 |
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US-1850096-A // Receiving circuit // Eaton George R. ; Heath Earl Ray // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Mar 22, 1932 00:00 | US-1850096-A // Receiving circuit // Eaton George R. ; Heath Earl Ray // Kellogg Switchboard & Supply | ||||
| PDF File 1844502.pdf | 505 kB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1844502-A // Power supply circuit // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Feb 09, 1932 00:00 | US-1844502-A // Power supply circuit // Eaton George R. // 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 |
