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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 847449.pdf | 231 kB | Shaun Ewing | Mar 19, 1907 00:00 |
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US-847449-A // Transmitter-front. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 231 kB | Shaun Ewing | Mar 19, 1907 00:00 | US-847449-A // Transmitter-front. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 847385.pdf | 863 kB | Shaun Ewing | Mar 19, 1907 00:00 |
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US-847385-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Mar 19, 1907 00:00 | US-847385-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 846557.pdf | 1.89 MB | Shaun Ewing | Mar 12, 1907 00:00 |
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US-846557-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.89 MB | Shaun Ewing | Mar 12, 1907 00:00 | US-846557-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 845533.pdf | 490 kB | Shaun Ewing | Feb 26, 1907 00:00 |
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US-845533-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Feb 26, 1907 00:00 | US-845533-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 845452.pdf | 2.22 MB | Shaun Ewing | Feb 26, 1907 00:00 |
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US-845452-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 2.22 MB | Shaun Ewing | Feb 26, 1907 00:00 | US-845452-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 845077.pdf | 1.39 MB | Shaun Ewing | Feb 26, 1907 00:00 |
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US-845077-A // Telephone trunking system. // Harry C. Goldrick // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Feb 26, 1907 00:00 | US-845077-A // Telephone trunking system. // Harry C. Goldrick // Kellogg Switchboard & Supply | ||||
| PDF File 844506.pdf | 1.63 MB | Shaun Ewing | Feb 19, 1907 00:00 |
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US-844506-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Feb 19, 1907 00:00 | US-844506-A // Telephone trunking system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 843329.pdf | 460 kB | Shaun Ewing | Feb 05, 1907 00:00 |
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US-843329-A // Intercommunicating telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Feb 05, 1907 00:00 | US-843329-A // Intercommunicating telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 843245.pdf | 1.00 MB | Shaun Ewing | Feb 05, 1907 00:00 |
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US-843245-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Feb 05, 1907 00:00 | US-843245-A // Telephone trunking system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 842306.pdf | 597 kB | Shaun Ewing | Jan 29, 1907 00:00 |
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US-842306-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 597 kB | Shaun Ewing | Jan 29, 1907 00:00 | US-842306-A // Telephone system. // Francis W. Dunbar // Kellogg Switchboard & Supply | ||||
| PDF File 842178.pdf | 660 kB | Shaun Ewing | Jan 29, 1907 00:00 |
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US-842178-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 660 kB | Shaun Ewing | Jan 29, 1907 00:00 | US-842178-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 841769.pdf | 574 kB | Shaun Ewing | Jan 22, 1907 00:00 |
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US-841769-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Jan 22, 1907 00:00 | US-841769-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 841747.pdf | 1.75 MB | Shaun Ewing | Jan 22, 1907 00:00 |
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US-841747-A // Telephone trunking-circuits. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.75 MB | Shaun Ewing | Jan 22, 1907 00:00 | US-841747-A // Telephone trunking-circuits. // Harry G. Webster // Kellogg Switchboard & Supply |
