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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2054702.pdf | 966 kB | Shaun Ewing | Sept 15, 1936 00:00 |
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US-2054702-A // Telephone system // Kiner Glenn // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 966 kB | Shaun Ewing | Sept 15, 1936 00:00 | US-2054702-A // Telephone system // Kiner Glenn // Kellogg Switchboard & Supply | ||||
| PDF File 2050292.pdf | 950 kB | Shaun Ewing | Aug 11, 1936 00:00 |
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US-2050292-A // Telephone repeater system // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 950 kB | Shaun Ewing | Aug 11, 1936 00:00 | US-2050292-A // Telephone repeater system // Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 2050291.pdf | 847 kB | Shaun Ewing | Aug 11, 1936 00:00 |
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US-2050291-A // Radio receiving system // Eaton George R. ; Armstrong Herbert M. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 847 kB | Shaun Ewing | Aug 11, 1936 00:00 | US-2050291-A // Radio receiving system // Eaton George R. ; Armstrong Herbert M. // Kellogg Switchboard & Supply | ||||
| PDF File 2040311.pdf | 249 kB | Shaun Ewing | May 12, 1936 00:00 |
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US-2040311-A // Telephone desk set mechanism // Horn Royal ; Humphreys Joseph // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 249 kB | Shaun Ewing | May 12, 1936 00:00 | US-2040311-A // Telephone desk set mechanism // Horn Royal ; Humphreys Joseph // Kellogg Switchboard & Supply | ||||
| PDF File 2024181.pdf | 615 kB | Shaun Ewing | Dec 17, 1935 00:00 |
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US-2024181-A // Receiving system // Philips James Herbert // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Dec 17, 1935 00:00 | US-2024181-A // Receiving system // Philips James Herbert // Kellogg Switchboard & Supply | ||||
| PDF File 2024152.pdf | 641 kB | Shaun Ewing | Dec 17, 1935 00:00 |
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US-2024152-A // Receiving system // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 641 kB | Shaun Ewing | Dec 17, 1935 00:00 | US-2024152-A // Receiving system // Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 2024139.pdf | 395 kB | Shaun Ewing | Dec 17, 1935 00:00 |
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US-2024139-A // Receiving system // Armstrong Herbert M. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 395 kB | Shaun Ewing | Dec 17, 1935 00:00 | US-2024139-A // Receiving system // Armstrong Herbert M. // Kellogg Switchboard & Supply | ||||
| PDF File 2014427.pdf | 306 kB | Shaun Ewing | Sept 17, 1935 00:00 |
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US-2014427-A // Microphone // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 306 kB | Shaun Ewing | Sept 17, 1935 00:00 | US-2014427-A // Microphone // Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 2013798.pdf | 418 kB | Shaun Ewing | Sept 10, 1935 00:00 |
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US-2013798-A // Choke valve control means // Yanochowski George A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Sept 10, 1935 00:00 | US-2013798-A // Choke valve control means // Yanochowski George A. // Kellogg Switchboard & Supply | ||||
| PDF File 2007764.pdf | 376 kB | Shaun Ewing | Jul 09, 1935 00:00 |
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US-2007764-A // Circuit for audion tubes // Koch Earl L. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 376 kB | Shaun Ewing | Jul 09, 1935 00:00 | US-2007764-A // Circuit for audion tubes // Koch Earl L. // Kellogg Switchboard & Supply | ||||
| PDF File 1964153.pdf | 1.46 MB | Shaun Ewing | Jun 26, 1934 00:00 |
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US-1964153-A // Program service system // Herrick Roswell H. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Jun 26, 1934 00:00 | US-1964153-A // Program service system // Herrick Roswell H. // Kellogg Switchboard & Supply | ||||
| PDF File 1960960.pdf | 766 kB | Shaun Ewing | May 29, 1934 00:00 |
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US-1960960-A // Pole changer // Shaver John // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 766 kB | Shaun Ewing | May 29, 1934 00:00 | US-1960960-A // Pole changer // Shaver John // Kellogg Switchboard & Supply | ||||
| PDF File 1960944.pdf | 269 kB | Shaun Ewing | May 29, 1934 00:00 |
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US-1960944-A // Electrical condenser // Knudsen Anton M. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 269 kB | Shaun Ewing | May 29, 1934 00:00 | US-1960944-A // Electrical condenser // Knudsen Anton M. // Kellogg Switchboard & Supply | ||||
| PDF File 1960883.pdf | 625 kB | Shaun Ewing | May 29, 1934 00:00 |
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US-1960883-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 625 kB | Shaun Ewing | May 29, 1934 00:00 | US-1960883-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | ||||
| PDF File 1960877.pdf | 221 kB | Shaun Ewing | May 29, 1934 00:00 |
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US-1960877-A // Telephone system // Robison Daniel B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 221 kB | Shaun Ewing | May 29, 1934 00:00 | US-1960877-A // Telephone system // Robison Daniel B. // Kellogg Switchboard & Supply | ||||
| PDF File 1956493.pdf | 553 kB | Shaun Ewing | Apr 24, 1934 00:00 |
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US-1956493-A // Telephone system // Currier Hiram D. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 553 kB | Shaun Ewing | Apr 24, 1934 00:00 | US-1956493-A // Telephone system // Currier Hiram D. // Kellogg Switchboard & Supply | ||||
| PDF File 1956437.pdf | 2.17 MB | Shaun Ewing | Apr 24, 1934 00:00 |
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US-1956437-A // Telephone system // Eaton George R. ; Kiner Glenn // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.17 MB | Shaun Ewing | Apr 24, 1934 00:00 | US-1956437-A // Telephone system // Eaton George R. ; Kiner Glenn // Kellogg Switchboard & Supply | ||||
| PDF File 1943425.pdf | 287 kB | Shaun Ewing | Jan 16, 1934 00:00 |
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US-1943425-A // Diaphragm // Eaton George R. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Jan 16, 1934 00:00 | US-1943425-A // Diaphragm // Eaton George R. // Kellogg Switchboard & Supply | ||||
| PDF File 1943395.pdf | 229 kB | Shaun Ewing | Jan 16, 1934 00:00 |
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US-1943395-A // Television apparatus // Pfeiffer George S. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 229 kB | Shaun Ewing | Jan 16, 1934 00:00 | US-1943395-A // Television apparatus // Pfeiffer George S. // Kellogg Switchboard & Supply | ||||
| PDF File 1927532.pdf | 240 kB | Shaun Ewing | Sept 19, 1933 00:00 |
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US-1927532-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 240 kB | Shaun Ewing | Sept 19, 1933 00:00 | US-1927532-A // Telephone system // Wallace Bert A. // Kellogg Switchboard & Supply |
