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 841339.pdf | 996 kB | Shaun Ewing | Jan 15, 1907 00:00 |
|
US-841339-A // Incoming trunk-line. // Howard M. Post // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 996 kB | Shaun Ewing | Jan 15, 1907 00:00 | US-841339-A // Incoming trunk-line. // Howard M. Post // Kellogg Switchboard & Supply | ||||
| PDF File 841292.pdf | 679 kB | Shaun Ewing | Jan 15, 1907 00:00 |
|
US-841292-A // Telephone system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Jan 15, 1907 00:00 | US-841292-A // Telephone system. // Alfred H. Weiss // 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 | ||||
| PDF File 839910.pdf | 613 kB | Shaun Ewing | Jan 01, 1907 00:00 |
|
US-839910-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Jan 01, 1907 00:00 | US-839910-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 838525.pdf | 584 kB | Shaun Ewing | Dec 18, 1906 00:00 |
|
US-838525-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Dec 18, 1906 00:00 | US-838525-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 836514.pdf | 668 kB | Shaun Ewing | Nov 20, 1906 00:00 |
|
US-836514-A // Telephone cord-circuit. // Albion D. T. Libby // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Nov 20, 1906 00:00 | US-836514-A // Telephone cord-circuit. // Albion D. T. Libby // Kellogg Switchboard & Supply | ||||
| PDF File 836489.pdf | 332 kB | Shaun Ewing | Nov 20, 1906 00:00 |
|
US-836489-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Nov 20, 1906 00:00 | US-836489-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 836067.pdf | 1.01 MB | Shaun Ewing | Nov 13, 1906 00:00 |
|
US-836067-A // Operator's ringing and listening key. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Nov 13, 1906 00:00 | US-836067-A // Operator's ringing and listening key. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 834272.pdf | 557 kB | Shaun Ewing | Oct 30, 1906 00:00 |
|
US-834272-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 557 kB | Shaun Ewing | Oct 30, 1906 00:00 | US-834272-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 833745.pdf | 418 kB | Shaun Ewing | Oct 23, 1906 00:00 |
|
US-833745-A // Telephone transmitter-arm. // John A. Loff // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Oct 23, 1906 00:00 | US-833745-A // Telephone transmitter-arm. // John A. Loff // Kellogg Switchboard & Supply | ||||
| PDF File 833733.pdf | 566 kB | Shaun Ewing | Oct 23, 1906 00:00 |
|
US-833733-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Oct 23, 1906 00:00 | US-833733-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 832181.pdf | 370 kB | Shaun Ewing | Oct 02, 1906 00:00 |
|
US-832181-A // Electromagnetic device. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 370 kB | Shaun Ewing | Oct 02, 1906 00:00 | US-832181-A // Electromagnetic device. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 832121.pdf | 532 kB | Shaun Ewing | Oct 02, 1906 00:00 |
|
US-832121-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Oct 02, 1906 00:00 | US-832121-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 830575.pdf | 997 kB | Shaun Ewing | Sept 11, 1906 00:00 |
|
US-830575-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 997 kB | Shaun Ewing | Sept 11, 1906 00:00 | US-830575-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 828693.pdf | 478 kB | Shaun Ewing | Aug 14, 1906 00:00 |
|
US-828693-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Aug 14, 1906 00:00 | US-828693-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 825894.pdf | 468 kB | Shaun Ewing | Jul 17, 1906 00:00 |
|
US-825894-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Jul 17, 1906 00:00 | US-825894-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 825439.pdf | 529 kB | Shaun Ewing | Jul 10, 1906 00:00 |
|
US-825439-A // Special busy test for telephone-lines. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Jul 10, 1906 00:00 | US-825439-A // Special busy test for telephone-lines. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 824980.pdf | 752 kB | Shaun Ewing | Jul 03, 1906 00:00 |
|
US-824980-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 752 kB | Shaun Ewing | Jul 03, 1906 00:00 | US-824980-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 822611.pdf | 519 kB | Shaun Ewing | Jun 05, 1906 00:00 |
|
US-822611-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Jun 05, 1906 00:00 | US-822611-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 822590.pdf | 811 kB | Shaun Ewing | Jun 05, 1906 00:00 |
|
US-822590-A // Distributing-board. // Franz J. Dommerque // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 811 kB | Shaun Ewing | Jun 05, 1906 00:00 | US-822590-A // Distributing-board. // Franz J. Dommerque // Kellogg Switchboard & Supply |
