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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1030037.pdf | 872 kB | Shaun Ewing | Jun 18, 1912 00:00 |
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US-1030037-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 872 kB | Shaun Ewing | Jun 18, 1912 00:00 | US-1030037-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1029649.pdf | 844 kB | Shaun Ewing | Jun 18, 1912 00:00 |
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US-1029649-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 844 kB | Shaun Ewing | Jun 18, 1912 00:00 | US-1029649-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1026850.pdf | 857 kB | Shaun Ewing | May 21, 1912 00:00 |
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US-1026850-A // Telephone trunking system. // Fred M. Davis // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 857 kB | Shaun Ewing | May 21, 1912 00:00 | US-1026850-A // Telephone trunking system. // Fred M. Davis // Kellogg Switchboard & Supply | ||||
| PDF File 1025347.pdf | 1.12 MB | Shaun Ewing | May 07, 1912 00:00 |
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US-1025347-A // Combined telephone and alarm system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | May 07, 1912 00:00 | US-1025347-A // Combined telephone and alarm system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1023900.pdf | 965 kB | Shaun Ewing | Apr 23, 1912 00:00 |
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US-1023900-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 965 kB | Shaun Ewing | Apr 23, 1912 00:00 | US-1023900-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1023185.pdf | 390 kB | Shaun Ewing | Apr 16, 1912 00:00 |
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US-1023185-A // Telephone-exchange system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 390 kB | Shaun Ewing | Apr 16, 1912 00:00 | US-1023185-A // Telephone-exchange system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1022522.pdf | 654 kB | Shaun Ewing | Apr 09, 1912 00:00 |
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US-1022522-A // Telephone-exchange system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Apr 09, 1912 00:00 | US-1022522-A // Telephone-exchange system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1019060.pdf | 593 kB | Shaun Ewing | Mar 05, 1912 00:00 |
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US-1019060-A // Circuit-breaker. // Albion D. T. Libby // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 593 kB | Shaun Ewing | Mar 05, 1912 00:00 | US-1019060-A // Circuit-breaker. // Albion D. T. Libby // Kellogg Switchboard & Supply | ||||
| PDF File 1017085.pdf | 657 kB | Shaun Ewing | Feb 13, 1912 00:00 |
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US-1017085-A // Telephone system. // Fred M. Davis // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 657 kB | Shaun Ewing | Feb 13, 1912 00:00 | US-1017085-A // Telephone system. // Fred M. Davis // Kellogg Switchboard & Supply | ||||
| PDF File 1016567.pdf | 369 kB | Shaun Ewing | Feb 06, 1912 00:00 |
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US-1016567-A // Spring-armature relay. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 369 kB | Shaun Ewing | Feb 06, 1912 00:00 | US-1016567-A // Spring-armature relay. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1014780.pdf | 333 kB | Shaun Ewing | Jan 16, 1912 00:00 |
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US-1014780-A // Spool-head. // Charles H. Smith // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Jan 16, 1912 00:00 | US-1014780-A // Spool-head. // Charles H. Smith // Kellogg Switchboard & Supply | ||||
| PDF File 1013865.pdf | 1.34 MB | Shaun Ewing | Jan 09, 1912 00:00 |
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US-1013865-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Jan 09, 1912 00:00 | US-1013865-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 1012780.pdf | 698 kB | Shaun Ewing | Dec 26, 1911 00:00 |
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US-1012780-A // Service-meter system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 698 kB | Shaun Ewing | Dec 26, 1911 00:00 | US-1012780-A // Service-meter system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1011439.pdf | 292 kB | Shaun Ewing | Dec 12, 1911 00:00 |
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US-1011439-A // Magnet-terminal. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 292 kB | Shaun Ewing | Dec 12, 1911 00:00 | US-1011439-A // Magnet-terminal. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1010471.pdf | 677 kB | Shaun Ewing | Dec 05, 1911 00:00 |
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US-1010471-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 677 kB | Shaun Ewing | Dec 05, 1911 00:00 | US-1010471-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1009813.pdf | 2.36 MB | Shaun Ewing | Nov 28, 1911 00:00 |
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US-1009813-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.36 MB | Shaun Ewing | Nov 28, 1911 00:00 | US-1009813-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1009190.pdf | 697 kB | Shaun Ewing | Nov 21, 1911 00:00 |
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US-1009190-A // Telephone trunking system. // Charles A. Simpson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 697 kB | Shaun Ewing | Nov 21, 1911 00:00 | US-1009190-A // Telephone trunking system. // Charles A. Simpson // Kellogg Switchboard & Supply | ||||
| PDF File 1008232.pdf | 884 kB | Shaun Ewing | Nov 07, 1911 00:00 |
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US-1008232-A // Telephone trunking system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 884 kB | Shaun Ewing | Nov 07, 1911 00:00 | US-1008232-A // Telephone trunking system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1006615.pdf | 641 kB | Shaun Ewing | Oct 24, 1911 00:00 |
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US-1006615-A // Central-energy telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 641 kB | Shaun Ewing | Oct 24, 1911 00:00 | US-1006615-A // Central-energy telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1005910.pdf | 376 kB | Shaun Ewing | Oct 17, 1911 00:00 |
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US-1005910-A // Key-switch. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 376 kB | Shaun Ewing | Oct 17, 1911 00:00 | US-1005910-A // Key-switch. // Alfred H. Weiss // Kellogg Switchboard & Supply |
