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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1189364.pdf | 1.69 MB | Shaun Ewing | Jul 04, 1916 00:00 |
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US-1189364-A // Automatic telephone-switch. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Jul 04, 1916 00:00 | US-1189364-A // Automatic telephone-switch. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1268069.pdf | 1.69 MB | Shaun Ewing | May 28, 1918 00:00 |
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US-1268069-A // Automatic common-battery telephone system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | May 28, 1918 00:00 | US-1268069-A // Automatic common-battery telephone system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1268072.pdf | 1.69 MB | Shaun Ewing | May 28, 1918 00:00 |
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US-1268072-A // Combined selector and repeater apparatus for local-battery telephone exchange systems. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | May 28, 1918 00:00 | US-1268072-A // Combined selector and repeater apparatus for local-battery telephone exchange systems. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1256587.pdf | 1.69 MB | Shaun Ewing | Feb 19, 1918 00:00 |
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US-1256587-A // Telephone system. // Earl R. Neir ; Bernard C. Groh // Automatic Electric Co | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Feb 19, 1918 00:00 | US-1256587-A // Telephone system. // Earl R. Neir ; Bernard C. Groh // Automatic Electric Co | ||||
| PDF File 1275186.pdf | 1.68 MB | Shaun Ewing | Aug 06, 1918 00:00 |
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US-1275186-A // Automatic telephone system. // Willis E. Lamb // Automatic Electric Co | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Aug 06, 1918 00:00 | US-1275186-A // Automatic telephone system. // Willis E. Lamb // Automatic Electric Co | ||||
| PDF File 1243721.pdf | 1.68 MB | Shaun Ewing | Oct 23, 1917 00:00 |
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US-1243721-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Oct 23, 1917 00:00 | US-1243721-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | ||||
| PDF File 1293415.pdf | 1.68 MB | Shaun Ewing | Feb 04, 1919 00:00 |
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US-1293415-A // Telephone trunking system. // Bernard C. Groh // Automatic Electric Co | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Feb 04, 1919 00:00 | US-1293415-A // Telephone trunking system. // Bernard C. Groh // Automatic Electric Co | ||||
| PDF File 1289854.pdf | 1.68 MB | Shaun Ewing | Dec 31, 1918 00:00 |
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US-1289854-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Dec 31, 1918 00:00 | US-1289854-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1145543.pdf | 1.67 MB | Shaun Ewing | Jul 06, 1915 00:00 |
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US-1145543-A // Impulse-transmitting device. // John G. Blessing // Automatic Electric Co | |||
| Version 1 (current) | 1.67 MB | Shaun Ewing | Jul 06, 1915 00:00 | US-1145543-A // Impulse-transmitting device. // John G. Blessing // Automatic Electric Co | ||||
| PDF File 1119394.pdf | 1.66 MB | Shaun Ewing | Dec 01, 1914 00:00 |
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US-1119394-A // Telephone system. // John G. Blessing // Automatic Electric Co | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Dec 01, 1914 00:00 | US-1119394-A // Telephone system. // John G. Blessing // Automatic Electric Co | ||||
| PDF File 1248834.pdf | 1.64 MB | Shaun Ewing | Dec 04, 1917 00:00 |
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US-1248834-A // Automatic trunking system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Dec 04, 1917 00:00 | US-1248834-A // Automatic trunking system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1293597.pdf | 1.64 MB | Shaun Ewing | Feb 04, 1919 00:00 |
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US-1293597-A // Telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Feb 04, 1919 00:00 | US-1293597-A // Telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1203166.pdf | 1.64 MB | Shaun Ewing | Oct 31, 1916 00:00 |
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US-1203166-A // Semi-automatic telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Oct 31, 1916 00:00 | US-1203166-A // Semi-automatic telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1189862.pdf | 1.63 MB | Shaun Ewing | Jul 04, 1916 00:00 |
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US-1189862-A // Ringing-current interrupter. // Herbert F. Obergfell // Automatic Electric Co | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Jul 04, 1916 00:00 | US-1189862-A // Ringing-current interrupter. // Herbert F. Obergfell // Automatic Electric Co | ||||
| PDF File 1281251.pdf | 1.62 MB | Shaun Ewing | Oct 08, 1918 00:00 |
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US-1281251-A // Measured-service telephone system. // Roy C. Gifford // Automatic Electric Co | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Oct 08, 1918 00:00 | US-1281251-A // Measured-service telephone system. // Roy C. Gifford // Automatic Electric Co | ||||
| PDF File 1078690.pdf | 1.62 MB | Shaun Ewing | Nov 18, 1913 00:00 |
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US-1078690-A // Automatic telephone system. // Frank Newforth, Jr. // Automatic Electric Co | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Nov 18, 1913 00:00 | US-1078690-A // Automatic telephone system. // Frank Newforth, Jr. // Automatic Electric Co | ||||
| PDF File 1180293.pdf | 1.60 MB | Shaun Ewing | Apr 25, 1916 00:00 |
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US-1180293-A // Selective signaling system and apparatus therefor. // John A. Hulit // Automatic Electric Co | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Apr 25, 1916 00:00 | US-1180293-A // Selective signaling system and apparatus therefor. // John A. Hulit // Automatic Electric Co | ||||
| PDF File 1243747.pdf | 1.59 MB | Shaun Ewing | Oct 23, 1917 00:00 |
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US-1243747-A // Telephone trunking system. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | Oct 23, 1917 00:00 | US-1243747-A // Telephone trunking system. // Fritz Lubberger // Automatic Electric Co | ||||
| PDF File 1212908.pdf | 1.59 MB | Shaun Ewing | Jan 16, 1917 00:00 |
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US-1212908-A // Automatic telephone system. // Jerome E. Cooley // Automatic Electric Co | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | Jan 16, 1917 00:00 | US-1212908-A // Automatic telephone system. // Jerome E. Cooley // Automatic Electric Co | ||||
| PDF File 1062387.pdf | 1.58 MB | Shaun Ewing | May 20, 1913 00:00 |
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US-1062387-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 1.58 MB | Shaun Ewing | May 20, 1913 00:00 | US-1062387-A // Measured-service telephone system. // John Erickson // Automatic Electric Co |
