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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1772607.pdf | 409 kB | Shaun Ewing | Aug 12, 1930 00:00 |
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US-1772607-A // Receiving circuit // Jones Samuel Seaman // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Aug 12, 1930 00:00 | US-1772607-A // Receiving circuit // Jones Samuel Seaman // Kellogg Switchboard & Supply | ||||
| PDF File 1778306.pdf | 630 kB | Shaun Ewing | Oct 14, 1930 00:00 |
|
US-1778306-A // Rheostat // Bohlman Ernest A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 630 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778306-A // Rheostat // Bohlman Ernest A. // Kellogg Switchboard & Supply | ||||
| PDF File 1778311.pdf | 296 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778311-A // Receiving circuits // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 296 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778311-A // Receiving circuits // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1778836.pdf | 386 kB | Shaun Ewing | Oct 21, 1930 00:00 |
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US-1778836-A // Distributor // Sauer Louis B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 386 kB | Shaun Ewing | Oct 21, 1930 00:00 | US-1778836-A // Distributor // Sauer Louis B. // Kellogg Switchboard & Supply | ||||
| PDF File 1778896.pdf | 535 kB | Shaun Ewing | Oct 21, 1930 00:00 |
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US-1778896-A // Terminal cap // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Oct 21, 1930 00:00 | US-1778896-A // Terminal cap // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1781384.pdf | 952 kB | Shaun Ewing | Nov 11, 1930 00:00 |
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US-1781384-A // Socket // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1781384-A // Socket // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1782411.pdf | 676 kB | Shaun Ewing | Nov 25, 1930 00:00 |
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US-1782411-A // Socket // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 676 kB | Shaun Ewing | Nov 25, 1930 00:00 | US-1782411-A // Socket // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1783645.pdf | 688 kB | Shaun Ewing | Dec 02, 1930 00:00 |
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US-1783645-A // Control device // Grout Martin B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 688 kB | Shaun Ewing | Dec 02, 1930 00:00 | US-1783645-A // Control device // Grout Martin B. // Kellogg Switchboard & Supply | ||||
| PDF File 1791131.pdf | 597 kB | Shaun Ewing | Feb 03, 1931 00:00 |
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US-1791131-A // Illuminated dial // Horn Royal // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 597 kB | Shaun Ewing | Feb 03, 1931 00:00 | US-1791131-A // Illuminated dial // Horn Royal // Kellogg Switchboard & Supply | ||||
| PDF File 1791132.pdf | 294 kB | Shaun Ewing | Feb 03, 1931 00:00 |
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US-1791132-A // Register device // Jacoby William L. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 294 kB | Shaun Ewing | Feb 03, 1931 00:00 | US-1791132-A // Register device // Jacoby William L. // Kellogg Switchboard & Supply | ||||
| PDF File 1794752.pdf | 1.04 MB | Shaun Ewing | Mar 03, 1931 00:00 |
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US-1794752-A // Multiple control // Bohlman Ernest A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Mar 03, 1931 00:00 | US-1794752-A // Multiple control // Bohlman Ernest A. // Kellogg Switchboard & Supply | ||||
| 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 1797935.pdf | 1.66 MB | Shaun Ewing | Mar 24, 1931 00:00 |
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US-1797935-A // Telephone system // Wallace Bert // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Mar 24, 1931 00:00 | US-1797935-A // Telephone system // Wallace Bert // Kellogg Switchboard & Supply | ||||
| PDF File 1797988.pdf | 411 kB | Shaun Ewing | Mar 24, 1931 00:00 |
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US-1797988-A // Radio receiving system // Koch Earl L. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 411 kB | Shaun Ewing | Mar 24, 1931 00:00 | US-1797988-A // Radio receiving system // Koch Earl L. // Kellogg Switchboard & Supply | ||||
| PDF File 1805783.pdf | 602 kB | Shaun Ewing | May 19, 1931 00:00 |
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US-1805783-A // Socket // Olsen Halvor M. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 602 kB | Shaun Ewing | May 19, 1931 00:00 | US-1805783-A // Socket // Olsen Halvor M. // Kellogg Switchboard & Supply | ||||
| PDF File 1805794.pdf | 319 kB | Shaun Ewing | May 19, 1931 00:00 |
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US-1805794-A // Audion tube // Yanochowski George A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 319 kB | Shaun Ewing | May 19, 1931 00:00 | US-1805794-A // Audion tube // Yanochowski George A. // Kellogg Switchboard & Supply | ||||
| PDF File 1805846.pdf | 572 kB | Shaun Ewing | May 19, 1931 00:00 |
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US-1805846-A // Loop antenna // Potter Earl F. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 572 kB | Shaun Ewing | May 19, 1931 00:00 | US-1805846-A // Loop antenna // Potter Earl F. // Kellogg Switchboard & Supply | ||||
| PDF File 1813232.pdf | 700 kB | Shaun Ewing | Jul 07, 1931 00:00 |
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US-1813232-A // Receiving circuit // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 700 kB | Shaun Ewing | Jul 07, 1931 00:00 | US-1813232-A // Receiving circuit // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1813241.pdf | 348 kB | Shaun Ewing | Jul 07, 1931 00:00 |
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US-1813241-A // Thermionic tube // Koch Earl L. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Jul 07, 1931 00:00 | US-1813241-A // Thermionic tube // Koch Earl L. // Kellogg Switchboard & Supply | ||||
| PDF File 1829070.pdf | 1.83 MB | Shaun Ewing | Oct 27, 1931 00:00 |
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US-1829070-A // Telephone system // Stazak Michael B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.83 MB | Shaun Ewing | Oct 27, 1931 00:00 | US-1829070-A // Telephone system // Stazak Michael B. // Kellogg Switchboard & Supply |
