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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 822590.pdf | 811 kB | Shaun Ewing | Jun 05, 1906 00:00 |
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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 | ||||
| PDF File 822611.pdf | 519 kB | Shaun Ewing | Jun 05, 1906 00:00 |
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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 824980.pdf | 752 kB | Shaun Ewing | Jul 03, 1906 00:00 |
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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 825439.pdf | 529 kB | Shaun Ewing | Jul 10, 1906 00:00 |
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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 825894.pdf | 468 kB | Shaun Ewing | Jul 17, 1906 00:00 |
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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 828693.pdf | 478 kB | Shaun Ewing | Aug 14, 1906 00:00 |
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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 830575.pdf | 997 kB | Shaun Ewing | Sept 11, 1906 00:00 |
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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 832121.pdf | 532 kB | Shaun Ewing | Oct 02, 1906 00:00 |
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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 832181.pdf | 370 kB | Shaun Ewing | Oct 02, 1906 00:00 |
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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 833733.pdf | 566 kB | Shaun Ewing | Oct 23, 1906 00:00 |
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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 833745.pdf | 418 kB | Shaun Ewing | Oct 23, 1906 00:00 |
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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 834272.pdf | 557 kB | Shaun Ewing | Oct 30, 1906 00:00 |
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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 836067.pdf | 1.01 MB | Shaun Ewing | Nov 13, 1906 00:00 |
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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 |
