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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 821898.pdf | 1.11 MB | Shaun Ewing | May 29, 1906 00:00 |
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US-821898-A // Central-energy telephone system. // William A. Taylor // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | May 29, 1906 00:00 | US-821898-A // Central-energy telephone system. // William A. Taylor // Kellogg Switchboard & Supply | ||||
| PDF File 821807.pdf | 852 kB | Shaun Ewing | May 29, 1906 00:00 |
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US-821807-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 852 kB | Shaun Ewing | May 29, 1906 00:00 | US-821807-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 820803.pdf | 1.01 MB | Shaun Ewing | May 15, 1906 00:00 |
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US-820803-A // Two-division telephone system. // John Henry Lendi // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | May 15, 1906 00:00 | US-820803-A // Two-division telephone system. // John Henry Lendi // Kellogg Switchboard & Supply | ||||
| PDF File 819267.pdf | 854 kB | Shaun Ewing | May 01, 1906 00:00 |
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US-819267-A // Telephone-transmitter. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 854 kB | Shaun Ewing | May 01, 1906 00:00 | US-819267-A // Telephone-transmitter. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 818527.pdf | 1.94 MB | Shaun Ewing | Apr 24, 1906 00:00 |
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US-818527-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.94 MB | Shaun Ewing | Apr 24, 1906 00:00 | US-818527-A // Telephone trunking system. // William W. Dean // Kellogg Switchboard & Supply | ||||
| PDF File 817781.pdf | 918 kB | Shaun Ewing | Apr 17, 1906 00:00 |
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US-817781-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 918 kB | Shaun Ewing | Apr 17, 1906 00:00 | US-817781-A // Multiple switchboard for telephone-exchanges. // Milo G. Kellogg // Kellogg Switchboard & Supply | ||||
| PDF File 817140.pdf | 526 kB | Shaun Ewing | Apr 03, 1906 00:00 |
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US-817140-A // Telephone-transmitter. // William W. Dean // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 526 kB | Shaun Ewing | Apr 03, 1906 00:00 | US-817140-A // Telephone-transmitter. // William W. Dean // 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 | ||||
| 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 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 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 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 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 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 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 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 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 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 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 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 |
