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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1199156.pdf | 2.22 MB | Shaun Ewing | Sept 26, 1916 00:00 |
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US-1199156-A // Automatic telephone trunking system. // Wilson L. Campbell // Automatic Electric Co | |||
| Version 1 (current) | 2.22 MB | Shaun Ewing | Sept 26, 1916 00:00 | US-1199156-A // Automatic telephone trunking system. // Wilson L. Campbell // Automatic Electric Co | ||||
| PDF File 1146821.pdf | 2.15 MB | Shaun Ewing | Jul 20, 1915 00:00 |
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US-1146821-A // Semi-automatic telephone system. // Michael Schwartz // Automatic Electric Co | |||
| Version 1 (current) | 2.15 MB | Shaun Ewing | Jul 20, 1915 00:00 | US-1146821-A // Semi-automatic telephone system. // Michael Schwartz // Automatic Electric Co | ||||
| PDF File 1315442.pdf | 2.13 MB | Shaun Ewing | Sept 09, 1919 00:00 |
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US-1315442-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 2.13 MB | Shaun Ewing | Sept 09, 1919 00:00 | US-1315442-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1221346.pdf | 2.11 MB | Shaun Ewing | Apr 03, 1917 00:00 |
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US-1221346-A // Automatic telephone switching apparatus. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.11 MB | Shaun Ewing | Apr 03, 1917 00:00 | US-1221346-A // Automatic telephone switching apparatus. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1196847.pdf | 2.10 MB | Shaun Ewing | Sept 05, 1916 00:00 |
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US-1196847-A // Pay-station telephone system. // Charles J. Erickson // Automatic Electric Co | |||
| Version 1 (current) | 2.10 MB | Shaun Ewing | Sept 05, 1916 00:00 | US-1196847-A // Pay-station telephone system. // Charles J. Erickson // Automatic Electric Co | ||||
| PDF File 1146786.pdf | 2.09 MB | Shaun Ewing | Jul 20, 1915 00:00 |
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US-1146786-A // Telephone system. // Bethuel M. Davis // Automatic Electric Co | |||
| Version 1 (current) | 2.09 MB | Shaun Ewing | Jul 20, 1915 00:00 | US-1146786-A // Telephone system. // Bethuel M. Davis // Automatic Electric Co | ||||
| PDF File 1180286.pdf | 2.08 MB | Shaun Ewing | Apr 25, 1916 00:00 |
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US-1180286-A // Telephone trunking system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 2.08 MB | Shaun Ewing | Apr 25, 1916 00:00 | US-1180286-A // Telephone trunking system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1136912.pdf | 2.07 MB | Shaun Ewing | Apr 20, 1915 00:00 |
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US-1136912-A // Telephone repeater system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.07 MB | Shaun Ewing | Apr 20, 1915 00:00 | US-1136912-A // Telephone repeater system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1064719.pdf | 2.06 MB | Shaun Ewing | Jun 17, 1913 00:00 |
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US-1064719-A // Telephone trunking system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 2.06 MB | Shaun Ewing | Jun 17, 1913 00:00 | US-1064719-A // Telephone trunking system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1265716.pdf | 2.04 MB | Shaun Ewing | May 07, 1918 00:00 |
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US-1265716-A // Measured-service telephone system. // George A. Yanochowski // Automatic Electric Co | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | May 07, 1918 00:00 | US-1265716-A // Measured-service telephone system. // George A. Yanochowski // Automatic Electric Co | ||||
| PDF File 1155672.pdf | 2.04 MB | Shaun Ewing | Oct 05, 1915 00:00 |
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US-1155672-A // Telephone-exchange system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | Oct 05, 1915 00:00 | US-1155672-A // Telephone-exchange system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1256511.pdf | 2.04 MB | Shaun Ewing | Feb 12, 1918 00:00 |
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US-1256511-A // Automatic telephone-switch. // John G. Blessing ; Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | Feb 12, 1918 00:00 | US-1256511-A // Automatic telephone-switch. // John G. Blessing ; Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1267113.pdf | 2.01 MB | Shaun Ewing | May 21, 1918 00:00 |
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US-1267113-A // Party-line telephone system. // Winfred T. Powell // Automatic Electric Co | |||
| Version 1 (current) | 2.01 MB | Shaun Ewing | May 21, 1918 00:00 | US-1267113-A // Party-line telephone system. // Winfred T. Powell // Automatic Electric Co | ||||
| PDF File 831876.pdf | 1.98 MB | Shaun Ewing | Sept 25, 1906 00:00 |
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US-831876-A // Switching or telephone system. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 1.98 MB | Shaun Ewing | Sept 25, 1906 00:00 | US-831876-A // Switching or telephone system. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1288098.pdf | 1.98 MB | Shaun Ewing | Dec 17, 1918 00:00 |
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US-1288098-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 1.98 MB | Shaun Ewing | Dec 17, 1918 00:00 | US-1288098-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1216461.pdf | 1.97 MB | Shaun Ewing | Feb 20, 1917 00:00 |
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US-1216461-A // Telephone ring-bak or reverting-call system. // George E. Kimball // Automatic Electric Co | |||
| Version 1 (current) | 1.97 MB | Shaun Ewing | Feb 20, 1917 00:00 | US-1216461-A // Telephone ring-bak or reverting-call system. // George E. Kimball // Automatic Electric Co | ||||
| PDF File 1263013.pdf | 1.94 MB | Shaun Ewing | Apr 16, 1918 00:00 |
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US-1263013-A // Telephone meter-service system. // George A. Yanochowski // Automatic Electric Co | |||
| Version 1 (current) | 1.94 MB | Shaun Ewing | Apr 16, 1918 00:00 | US-1263013-A // Telephone meter-service system. // George A. Yanochowski // Automatic Electric Co | ||||
| PDF File 1239205.pdf | 1.93 MB | Shaun Ewing | Sept 04, 1917 00:00 |
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US-1239205-A // Telephone-exchange system. // Trygve E. Meyer // Automatic Electric Co | |||
| Version 1 (current) | 1.93 MB | Shaun Ewing | Sept 04, 1917 00:00 | US-1239205-A // Telephone-exchange system. // Trygve E. Meyer // Automatic Electric Co | ||||
| PDF File 1224883.pdf | 1.92 MB | Shaun Ewing | May 01, 1917 00:00 |
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US-1224883-A // Telephone supervisory system. // Christopher Mollerup // Automatic Electric Co | |||
| Version 1 (current) | 1.92 MB | Shaun Ewing | May 01, 1917 00:00 | US-1224883-A // Telephone supervisory system. // Christopher Mollerup // Automatic Electric Co | ||||
| PDF File 1122556.pdf | 1.91 MB | Shaun Ewing | Dec 29, 1914 00:00 |
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US-1122556-A // Automatic trunking system. // Franklin J. Truby // Automatic Electric Co | |||
| Version 1 (current) | 1.91 MB | Shaun Ewing | Dec 29, 1914 00:00 | US-1122556-A // Automatic trunking system. // Franklin J. Truby // Automatic Electric Co |
