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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1201569.pdf | 2.57 MB | Shaun Ewing | Oct 17, 1916 00:00 |
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US-1201569-A // Telephone system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 2.57 MB | Shaun Ewing | Oct 17, 1916 00:00 | US-1201569-A // Telephone system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1143820.pdf | 2.54 MB | Shaun Ewing | Jun 22, 1915 00:00 |
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US-1143820-A // Telephone trunking system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 2.54 MB | Shaun Ewing | Jun 22, 1915 00:00 | US-1143820-A // Telephone trunking system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1301648.pdf | 2.53 MB | Shaun Ewing | Apr 22, 1919 00:00 |
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US-1301648-A // Automatic and manual telephone-exchange system. // Wilson L. Campbell ; Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.53 MB | Shaun Ewing | Apr 22, 1919 00:00 | US-1301648-A // Automatic and manual telephone-exchange system. // Wilson L. Campbell ; Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1248868.pdf | 2.49 MB | Shaun Ewing | Dec 04, 1917 00:00 |
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US-1248868-A // Semi-automatic telephone-exchange system. // Morton L. Johnson // Automatic Electric Co | |||
| Version 1 (current) | 2.49 MB | Shaun Ewing | Dec 04, 1917 00:00 | US-1248868-A // Semi-automatic telephone-exchange system. // Morton L. Johnson // Automatic Electric Co | ||||
| PDF File 1078685.pdf | 2.45 MB | Shaun Ewing | Nov 18, 1913 00:00 |
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US-1078685-A // Telephone-exchange trunking system. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 2.45 MB | Shaun Ewing | Nov 18, 1913 00:00 | US-1078685-A // Telephone-exchange trunking system. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1186471.pdf | 2.43 MB | Shaun Ewing | Jun 06, 1916 00:00 |
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US-1186471-A // Trunk-selecting switch. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 2.43 MB | Shaun Ewing | Jun 06, 1916 00:00 | US-1186471-A // Trunk-selecting switch. // John Erickson // Automatic Electric Co | ||||
| PDF File 1236859.pdf | 2.39 MB | Shaun Ewing | Aug 14, 1917 00:00 |
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US-1236859-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.39 MB | Shaun Ewing | Aug 14, 1917 00:00 | US-1236859-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1225603.pdf | 2.37 MB | Shaun Ewing | May 08, 1917 00:00 |
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US-1225603-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 2.37 MB | Shaun Ewing | May 08, 1917 00:00 | US-1225603-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | ||||
| PDF File 1186462.pdf | 2.32 MB | Shaun Ewing | Jun 06, 1916 00:00 |
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US-1186462-A // Measured-service telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 2.32 MB | Shaun Ewing | Jun 06, 1916 00:00 | US-1186462-A // Measured-service telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1293620.pdf | 2.31 MB | Shaun Ewing | Feb 04, 1919 00:00 |
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US-1293620-A // Automatic telephone system. // Winfred T. Powell // Automatic Electric Co | |||
| Version 1 (current) | 2.31 MB | Shaun Ewing | Feb 04, 1919 00:00 | US-1293620-A // Automatic telephone system. // Winfred T. Powell // Automatic Electric Co | ||||
| PDF File 1221299.pdf | 2.31 MB | Shaun Ewing | Apr 03, 1917 00:00 |
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US-1221299-A // Semi-automatic telephone system. // Charles J. Erickson // Automatic Electric Co | |||
| Version 1 (current) | 2.31 MB | Shaun Ewing | Apr 03, 1917 00:00 | US-1221299-A // Semi-automatic telephone system. // Charles J. Erickson // Automatic Electric Co | ||||
| PDF File 1274357.pdf | 2.29 MB | Shaun Ewing | Jul 30, 1918 00:00 |
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US-1274357-A // Automatic telephone-exchange system. // Herbert L. Fish // Automatic Electric Co | |||
| Version 1 (current) | 2.29 MB | Shaun Ewing | Jul 30, 1918 00:00 | US-1274357-A // Automatic telephone-exchange system. // Herbert L. Fish // Automatic Electric Co | ||||
| PDF File 1244816.pdf | 2.28 MB | Shaun Ewing | Oct 30, 1917 00:00 |
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US-1244816-A // Measured-service telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 2.28 MB | Shaun Ewing | Oct 30, 1917 00:00 | US-1244816-A // Measured-service telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1219656.pdf | 2.26 MB | Shaun Ewing | Mar 20, 1917 00:00 |
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US-1219656-A // Telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.26 MB | Shaun Ewing | Mar 20, 1917 00:00 | US-1219656-A // Telephone system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1257828.pdf | 2.25 MB | Shaun Ewing | Feb 26, 1918 00:00 |
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US-1257828-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 2.25 MB | Shaun Ewing | Feb 26, 1918 00:00 | US-1257828-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | ||||
| PDF File 1185510.pdf | 2.24 MB | Shaun Ewing | May 30, 1916 00:00 |
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US-1185510-A // Telephone system. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 2.24 MB | Shaun Ewing | May 30, 1916 00:00 | US-1185510-A // Telephone system. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1235301.pdf | 2.24 MB | Shaun Ewing | Jul 31, 1917 00:00 |
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US-1235301-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 2.24 MB | Shaun Ewing | Jul 31, 1917 00:00 | US-1235301-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | ||||
| PDF File 1292827.pdf | 2.24 MB | Shaun Ewing | Jan 28, 1919 00:00 |
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US-1292827-A // Telephone-exchange trunking system. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 2.24 MB | Shaun Ewing | Jan 28, 1919 00:00 | US-1292827-A // Telephone-exchange trunking system. // Fritz Lubberger // Automatic Electric Co | ||||
| PDF File 1130784.pdf | 2.24 MB | Shaun Ewing | Mar 09, 1915 00:00 |
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US-1130784-A // Measured-service telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 2.24 MB | Shaun Ewing | Mar 09, 1915 00:00 | US-1130784-A // Measured-service telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1217477.pdf | 2.24 MB | Shaun Ewing | Feb 27, 1917 00:00 |
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US-1217477-A // Telephone-exchange supervisory system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.24 MB | Shaun Ewing | Feb 27, 1917 00:00 | US-1217477-A // Telephone-exchange supervisory system. // Talbot G. Martin // Automatic Electric Co |
