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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1025347.pdf | 1.12 MB | Shaun Ewing | May 07, 1912 00:00 |
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US-1025347-A // Combined telephone and alarm system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | May 07, 1912 00:00 | US-1025347-A // Combined telephone and alarm system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1026850.pdf | 857 kB | Shaun Ewing | May 21, 1912 00:00 |
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US-1026850-A // Telephone trunking system. // Fred M. Davis // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 857 kB | Shaun Ewing | May 21, 1912 00:00 | US-1026850-A // Telephone trunking system. // Fred M. Davis // Kellogg Switchboard & Supply | ||||
| PDF File 1029649.pdf | 844 kB | Shaun Ewing | Jun 18, 1912 00:00 |
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US-1029649-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 844 kB | Shaun Ewing | Jun 18, 1912 00:00 | US-1029649-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1030037.pdf | 872 kB | Shaun Ewing | Jun 18, 1912 00:00 |
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US-1030037-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 872 kB | Shaun Ewing | Jun 18, 1912 00:00 | US-1030037-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1030038.pdf | 1.15 MB | Shaun Ewing | Jun 18, 1912 00:00 |
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US-1030038-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Jun 18, 1912 00:00 | US-1030038-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1030039.pdf | 942 kB | Shaun Ewing | Jun 18, 1912 00:00 |
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US-1030039-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 942 kB | Shaun Ewing | Jun 18, 1912 00:00 | US-1030039-A // Automatic ringing system. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1033135.pdf | 758 kB | Shaun Ewing | Jul 23, 1912 00:00 |
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US-1033135-A // Telephone system. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Jul 23, 1912 00:00 | US-1033135-A // Telephone system. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1035354.pdf | 1.49 MB | Shaun Ewing | Aug 13, 1912 00:00 |
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US-1035354-A // Signal-transmitter. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Aug 13, 1912 00:00 | US-1035354-A // Signal-transmitter. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1035355.pdf | 1.33 MB | Shaun Ewing | Aug 13, 1912 00:00 |
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US-1035355-A // Telephone-support. // William Kaisling // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Aug 13, 1912 00:00 | US-1035355-A // Telephone-support. // William Kaisling // Kellogg Switchboard & Supply | ||||
| PDF File 1038037.pdf | 1.98 MB | Shaun Ewing | Sept 10, 1912 00:00 |
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US-1038037-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.98 MB | Shaun Ewing | Sept 10, 1912 00:00 | US-1038037-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1038997.pdf | 1.78 MB | Shaun Ewing | Sept 17, 1912 00:00 |
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US-1038997-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.78 MB | Shaun Ewing | Sept 17, 1912 00:00 | US-1038997-A // Telephone system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1042389.pdf | 742 kB | Shaun Ewing | Oct 29, 1912 00:00 |
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US-1042389-A // Telephone system. // Clifford C. Bradbury // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Oct 29, 1912 00:00 | US-1042389-A // Telephone system. // Clifford C. Bradbury // Kellogg Switchboard & Supply | ||||
| PDF File 1045925.pdf | 694 kB | Shaun Ewing | Dec 03, 1912 00:00 |
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US-1045925-A // Service-meter system. // Charles S. Winston // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 694 kB | Shaun Ewing | Dec 03, 1912 00:00 | US-1045925-A // Service-meter system. // Charles S. Winston // Kellogg Switchboard & Supply | ||||
| PDF File 1056866.pdf | 386 kB | Shaun Ewing | Mar 25, 1913 00:00 |
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US-1056866-A // Circuit-changing mechanism. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 386 kB | Shaun Ewing | Mar 25, 1913 00:00 | US-1056866-A // Circuit-changing mechanism. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1058009.pdf | 446 kB | Shaun Ewing | Apr 01, 1913 00:00 |
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US-1058009-A // Frequency pole-changer. // Alfred H. Weiss // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 446 kB | Shaun Ewing | Apr 01, 1913 00:00 | US-1058009-A // Frequency pole-changer. // Alfred H. Weiss // Kellogg Switchboard & Supply | ||||
| PDF File 1067527.pdf | 671 kB | Shaun Ewing | Jul 15, 1913 00:00 |
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US-1067527-A // Signaling system. // Charles A. Larson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 671 kB | Shaun Ewing | Jul 15, 1913 00:00 | US-1067527-A // Signaling system. // Charles A. Larson // Kellogg Switchboard & Supply | ||||
| PDF File 1068521.pdf | 766 kB | Shaun Ewing | Jul 29, 1913 00:00 |
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US-1068521-A // Automatic switch for telephone systems. // George E. Mueller // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 766 kB | Shaun Ewing | Jul 29, 1913 00:00 | US-1068521-A // Automatic switch for telephone systems. // George E. Mueller // Kellogg Switchboard & Supply | ||||
| PDF File 1076041.pdf | 654 kB | Shaun Ewing | Oct 21, 1913 00:00 |
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US-1076041-A // Telephone-transmitter. // Best. Available Copy // Kellogg Switchboard & Supply ; William Kaisling | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Oct 21, 1913 00:00 | US-1076041-A // Telephone-transmitter. // Best. Available Copy // Kellogg Switchboard & Supply ; William Kaisling | ||||
| PDF File 1078229.pdf | 1.31 MB | Shaun Ewing | Nov 11, 1913 00:00 |
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US-1078229-A // Signaling system. // Harry G. Webster // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Nov 11, 1913 00:00 | US-1078229-A // Signaling system. // Harry G. Webster // Kellogg Switchboard & Supply | ||||
| PDF File 1083926.pdf | 457 kB | Shaun Ewing | Jan 13, 1914 00:00 |
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US-1083926-A // Microphone. // Lawrence Ericson // Kellogg Switchboard & Supply | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Jan 13, 1914 00:00 | US-1083926-A // Microphone. // Lawrence Ericson // Kellogg Switchboard & Supply |
