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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 776068.pdf | 1.06 MB | Shaun Ewing | Nov 29, 1904 00:00 |
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US-776068-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Nov 29, 1904 00:00 | US-776068-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 777544.pdf | 1.96 MB | Shaun Ewing | Dec 13, 1904 00:00 |
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US-777544-A // Telephone system. // John G. Roberts // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.96 MB | Shaun Ewing | Dec 13, 1904 00:00 | US-777544-A // Telephone system. // John G. Roberts // Kellogg Switchboard & Supply | ||||
| PDF File 779533.pdf | 1.23 MB | Shaun Ewing | Jan 10, 1905 00:00 |
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US-779533-A // Party-line telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Jan 10, 1905 00:00 | US-779533-A // Party-line telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 780601.pdf | 781 kB | Shaun Ewing | Jan 24, 1905 00:00 |
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US-780601-A // Central-supply telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 781 kB | Shaun Ewing | Jan 24, 1905 00:00 | US-780601-A // Central-supply telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 784052.pdf | 801 kB | Shaun Ewing | Mar 07, 1905 00:00 |
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US-784052-A // Electromagnetic device. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 801 kB | Shaun Ewing | Mar 07, 1905 00:00 | US-784052-A // Electromagnetic device. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 784872.pdf | 548 kB | Shaun Ewing | Mar 14, 1905 00:00 |
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US-784872-A // Relay. // Ray H. Manson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 548 kB | Shaun Ewing | Mar 14, 1905 00:00 | US-784872-A // Relay. // Ray H. Manson // Kellogg Switchboard & Supply | ||||
| PDF File 790854.pdf | 1.74 MB | Shaun Ewing | May 23, 1905 00:00 |
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US-790854-A // Telephone system. // John G. Roberts // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.74 MB | Shaun Ewing | May 23, 1905 00:00 | US-790854-A // Telephone system. // John G. Roberts // Kellogg Switchboard & Supply | ||||
| PDF File 794348.pdf | 1.05 MB | Shaun Ewing | Jul 11, 1905 00:00 |
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US-794348-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Jul 11, 1905 00:00 | US-794348-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 794349.pdf | 954 kB | Shaun Ewing | Jul 11, 1905 00:00 |
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US-794349-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 954 kB | Shaun Ewing | Jul 11, 1905 00:00 | US-794349-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 794702.pdf | 1.21 MB | Shaun Ewing | Jul 11, 1905 00:00 |
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US-794702-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Jul 11, 1905 00:00 | US-794702-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 796441.pdf | 952 kB | Shaun Ewing | Aug 08, 1905 00:00 |
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US-796441-A // Telephone system. // Kempster B. Miller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Aug 08, 1905 00:00 | US-796441-A // Telephone system. // Kempster B. Miller // Kellogg Switchboard & Supply | ||||
| PDF File 796568.pdf | 1.05 MB | Shaun Ewing | Aug 08, 1905 00:00 |
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US-796568-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Aug 08, 1905 00:00 | US-796568-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 800160.pdf | 571 kB | Shaun Ewing | Sept 26, 1905 00:00 |
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US-800160-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Sept 26, 1905 00:00 | US-800160-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 800161.pdf | 562 kB | Shaun Ewing | Sept 26, 1905 00:00 |
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US-800161-A // Switchboard for multiple exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Sept 26, 1905 00:00 | US-800161-A // Switchboard for multiple exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 804861.pdf | 600 kB | Shaun Ewing | Nov 21, 1905 00:00 |
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US-804861-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Nov 21, 1905 00:00 | US-804861-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 814118.pdf | 390 kB | Shaun Ewing | Mar 06, 1906 00:00 |
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US-814118-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 390 kB | Shaun Ewing | Mar 06, 1906 00:00 | US-814118-A // Telephone system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 814830.pdf | 262 kB | Shaun Ewing | Mar 13, 1906 00:00 |
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US-814830-A // Telephone system. // Louis W. Carroll // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Mar 13, 1906 00:00 | US-814830-A // Telephone system. // Louis W. Carroll // Kellogg Switchboard & Supply | ||||
| PDF File 815380.pdf | 3.28 MB | Shaun Ewing | Mar 20, 1906 00:00 |
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US-815380-A // Telephonic apparatus. // John G. Roberts // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 3.28 MB | Shaun Ewing | Mar 20, 1906 00:00 | US-815380-A // Telephonic apparatus. // John G. Roberts // Kellogg Switchboard & Supply | ||||
| PDF File 816131.pdf | 618 kB | Shaun Ewing | Mar 27, 1906 00:00 |
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US-816131-A // Transfer-circuit for telephone-exchange systems. // Charles A. Simpson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Mar 27, 1906 00:00 | US-816131-A // Transfer-circuit for telephone-exchange systems. // Charles A. Simpson // Kellogg Switchboard & Supply | ||||
| PDF File 816819.pdf | 1.16 MB | Shaun Ewing | Apr 03, 1906 00:00 |
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US-816819-A // Two-division telephone system. // Howard M. Post // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Apr 03, 1906 00:00 | US-816819-A // Two-division telephone system. // Howard M. Post // Kellogg Switchboard & Supply |
