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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 847984.pdf | 1.38 MB | Shaun Ewing | Mar 19, 1907 00:00 |
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US-847984-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Mar 19, 1907 00:00 | US-847984-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 848814.pdf | 1.65 MB | Shaun Ewing | Apr 02, 1907 00:00 |
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US-848814-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.65 MB | Shaun Ewing | Apr 02, 1907 00:00 | US-848814-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 849375.pdf | 1.29 MB | Shaun Ewing | Apr 09, 1907 00:00 |
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US-849375-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Apr 09, 1907 00:00 | US-849375-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 849464.pdf | 2.00 MB | Shaun Ewing | Apr 09, 1907 00:00 |
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US-849464-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.00 MB | Shaun Ewing | Apr 09, 1907 00:00 | US-849464-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 850470.pdf | 1.40 MB | Shaun Ewing | Apr 16, 1907 00:00 |
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US-850470-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Apr 16, 1907 00:00 | US-850470-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 851500.pdf | 1.66 MB | Shaun Ewing | Apr 23, 1907 00:00 |
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US-851500-A // Telephone trunking system. // Willam W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Apr 23, 1907 00:00 | US-851500-A // Telephone trunking system. // Willam W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 851803.pdf | 1.98 MB | Shaun Ewing | Apr 30, 1907 00:00 |
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US-851803-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.98 MB | Shaun Ewing | Apr 30, 1907 00:00 | US-851803-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 853286.pdf | 1.16 MB | Shaun Ewing | May 14, 1907 00:00 |
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US-853286-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | May 14, 1907 00:00 | US-853286-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 853682.pdf | 3.24 MB | Shaun Ewing | May 14, 1907 00:00 |
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US-853682-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.24 MB | Shaun Ewing | May 14, 1907 00:00 | US-853682-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 854337.pdf | 645 kB | Shaun Ewing | May 21, 1907 00:00 |
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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 861340.pdf | 416 kB | Shaun Ewing | Jul 30, 1907 00:00 |
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US-861340-A // Telephone apparatus. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Jul 30, 1907 00:00 | US-861340-A // Telephone apparatus. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 862616.pdf | 574 kB | Shaun Ewing | Aug 06, 1907 00:00 |
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US-862616-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Aug 06, 1907 00:00 | US-862616-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 863338.pdf | 345 kB | Shaun Ewing | Aug 13, 1907 00:00 |
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US-863338-A // Telephone trunk-circuit. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 345 kB | Shaun Ewing | Aug 13, 1907 00:00 | US-863338-A // Telephone trunk-circuit. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 864454.pdf | 617 kB | Shaun Ewing | Aug 27, 1907 00:00 |
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US-864454-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 617 kB | Shaun Ewing | Aug 27, 1907 00:00 | US-864454-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 864887.pdf | 647 kB | Shaun Ewing | Sept 03, 1907 00:00 |
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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 866266.pdf | 579 kB | Shaun Ewing | Sept 17, 1907 00:00 |
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US-866266-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Sept 17, 1907 00:00 | US-866266-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 867349.pdf | 550 kB | Shaun Ewing | Oct 01, 1907 00:00 |
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US-867349-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 550 kB | Shaun Ewing | Oct 01, 1907 00:00 | US-867349-A // Testing system for telephone-lines. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 869067.pdf | 505 kB | Shaun Ewing | Oct 22, 1907 00:00 |
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US-869067-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Oct 22, 1907 00:00 | US-869067-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 869119.pdf | 567 kB | Shaun Ewing | Oct 22, 1907 00:00 |
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US-869119-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 567 kB | Shaun Ewing | Oct 22, 1907 00:00 | US-869119-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 870551.pdf | 991 kB | Shaun Ewing | Nov 12, 1907 00:00 |
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US-870551-A // Central-energy telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 991 kB | Shaun Ewing | Nov 12, 1907 00:00 | US-870551-A // Central-energy telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply |
