Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1022522.pdf | 654 kB | Shaun Ewing | Apr 09, 1912 00:00 |
|
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 1076041.pdf | 654 kB | Shaun Ewing | Oct 21, 1913 00:00 |
|
US-1076041-A // Telephone-transmitter. // Best. Available Copy // Kellogg Switchboard & Supply ; William Kaisling | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Oct 21, 1913 00:00 | US-1076041-A // Telephone-transmitter. // Best. Available Copy // Kellogg Switchboard & Supply ; William Kaisling | ||||
| PDF File 592381.pdf | 653 kB | Shaun Ewing | Oct 26, 1897 00:00 |
|
US-592381-A // Milo g // M1lo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Oct 26, 1897 00:00 | US-592381-A // Milo g // M1lo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | ||||
| PDF File 592319.pdf | 653 kB | Shaun Ewing | Oct 26, 1897 00:00 |
|
US-592319-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Oct 26, 1897 00:00 | US-592319-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | ||||
| PDF File 905854.pdf | 653 kB | Shaun Ewing | Dec 08, 1908 00:00 |
|
US-905854-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Dec 08, 1908 00:00 | US-905854-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 1466856.pdf | 652 kB | Shaun Ewing | Sept 04, 1923 00:00 |
|
US-1466856-A // Telephone system // Stazak Michael B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 652 kB | Shaun Ewing | Sept 04, 1923 00:00 | US-1466856-A // Telephone system // Stazak Michael B. // Kellogg Switchboard & Supply | ||||
| PDF File 2541668.pdf | 651 kB | Shaun Ewing | Feb 13, 1951 00:00 |
|
US-2541668-A // Selective signaling system // Robison Daniel B. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 651 kB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541668-A // Selective signaling system // Robison Daniel B. // Kellogg Switchboard & Supply | ||||
| PDF File 885186.pdf | 651 kB | Shaun Ewing | Apr 21, 1908 00:00 |
|
US-885186-A // Three-wire central-energy telephone system. // Charles A. Simpson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 651 kB | Shaun Ewing | Apr 21, 1908 00:00 | US-885186-A // Three-wire central-energy telephone system. // Charles A. Simpson // Kellogg Switchboard & Supply | ||||
| PDF File 592391.pdf | 650 kB | Shaun Ewing | Oct 26, 1897 00:00 |
|
US-592391-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | |||
| Version 1 (current) | 650 kB | Shaun Ewing | Oct 26, 1897 00:00 | US-592391-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | ||||
| PDF File 592398.pdf | 650 kB | Shaun Ewing | Oct 26, 1897 00:00 |
|
US-592398-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | |||
| Version 1 (current) | 650 kB | Shaun Ewing | Oct 26, 1897 00:00 | US-592398-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | ||||
| PDF File 724451.pdf | 649 kB | Shaun Ewing | Apr 07, 1903 00:00 |
|
US-724451-A // Signaling apparatus. // Francis W. Dunbar ; William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Apr 07, 1903 00:00 | US-724451-A // Signaling apparatus. // Francis W. Dunbar ; William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 933150.pdf | 647 kB | Shaun Ewing | Sept 07, 1909 00:00 |
|
US-933150-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 647 kB | Shaun Ewing | Sept 07, 1909 00:00 | US-933150-A // Telephone system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 864887.pdf | 647 kB | Shaun Ewing | Sept 03, 1907 00:00 |
|
US-864887-A // Supervisory system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 647 kB | Shaun Ewing | Sept 03, 1907 00:00 | US-864887-A // Supervisory system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 592358.pdf | 646 kB | Shaun Ewing | Oct 26, 1897 00:00 |
|
US-592358-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Oct 26, 1897 00:00 | US-592358-A // Milo g // Milo G. Kellogg, Of Illinois // The Kellogg Switchboard And Supply Company, Of Same Place. | ||||
| PDF File 854337.pdf | 645 kB | Shaun Ewing | May 21, 1907 00:00 |
|
US-854337-A // Trunk-line telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 645 kB | Shaun Ewing | May 21, 1907 00:00 | US-854337-A // Trunk-line telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 1598042.pdf | 643 kB | Shaun Ewing | Aug 31, 1926 00:00 |
|
US-1598042-A // Head receiver set // Bohlman Ernest A. // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 643 kB | Shaun Ewing | Aug 31, 1926 00:00 | US-1598042-A // Head receiver set // Bohlman Ernest A. // Kellogg Switchboard & Supply | ||||
| PDF File 1663010.pdf | 641 kB | Shaun Ewing | Mar 20, 1928 00:00 |
|
US-1663010-A // Variable element // Kaisling William // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 641 kB | Shaun Ewing | Mar 20, 1928 00:00 | US-1663010-A // Variable element // Kaisling William // Kellogg Switchboard & Supply | ||||
| PDF File 2024152.pdf | 641 kB | Shaun Ewing | Dec 17, 1935 00:00 |
|
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 1006615.pdf | 641 kB | Shaun Ewing | Oct 24, 1911 00:00 |
|
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 841233.pdf | 639 kB | Shaun Ewing | Jan 15, 1907 00:00 |
|
US-841233-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 639 kB | Shaun Ewing | Jan 15, 1907 00:00 | US-841233-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply |
