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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 831875.pdf | 2.98 MB | Shaun Ewing | Sept 25, 1906 00:00 |
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US-831875-A // Interrupter for automatic telephone or other switches. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 2.98 MB | Shaun Ewing | Sept 25, 1906 00:00 | US-831875-A // Interrupter for automatic telephone or other switches. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1216534.pdf | 2.97 MB | Shaun Ewing | Feb 20, 1917 00:00 |
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US-1216534-A // Automatic telephone system. // George A. Yanochowski ; Harry E. Hershey // Automatic Electric Co | |||
| Version 1 (current) | 2.97 MB | Shaun Ewing | Feb 20, 1917 00:00 | US-1216534-A // Automatic telephone system. // George A. Yanochowski ; Harry E. Hershey // Automatic Electric Co | ||||
| PDF File 1267097.pdf | 2.93 MB | Shaun Ewing | May 21, 1918 00:00 |
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US-1267097-A // Automatic telephone system and apparatus. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.93 MB | Shaun Ewing | May 21, 1918 00:00 | US-1267097-A // Automatic telephone system and apparatus. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1268068.pdf | 2.84 MB | Shaun Ewing | May 28, 1918 00:00 |
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US-1268068-A // Automatic manual telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 2.84 MB | Shaun Ewing | May 28, 1918 00:00 | US-1268068-A // Automatic manual telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1257832.pdf | 2.83 MB | Shaun Ewing | Feb 26, 1918 00:00 |
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US-1257832-A // Telephone automatic trunking system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 2.83 MB | Shaun Ewing | Feb 26, 1918 00:00 | US-1257832-A // Telephone automatic trunking system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1280256.pdf | 2.79 MB | Shaun Ewing | Oct 01, 1918 00:00 |
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US-1280256-A // Ring-back arrangement for telephone party-lines. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 2.79 MB | Shaun Ewing | Oct 01, 1918 00:00 | US-1280256-A // Ring-back arrangement for telephone party-lines. // Fritz Lubberger // Automatic Electric Co | ||||
| PDF File 1290148.pdf | 2.78 MB | Shaun Ewing | Jan 07, 1919 00:00 |
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US-1290148-A // Automatic telephone-release. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 2.78 MB | Shaun Ewing | Jan 07, 1919 00:00 | US-1290148-A // Automatic telephone-release. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1265228.pdf | 2.78 MB | Shaun Ewing | May 07, 1918 00:00 |
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US-1265228-A // Telephone-exchange trunking system. // Edward A. Mellinger // Automatic Electric Co | |||
| Version 1 (current) | 2.78 MB | Shaun Ewing | May 07, 1918 00:00 | US-1265228-A // Telephone-exchange trunking system. // Edward A. Mellinger // Automatic Electric Co | ||||
| PDF File 1295229.pdf | 2.76 MB | Shaun Ewing | Feb 25, 1919 00:00 |
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US-1295229-A // Telephone-exchange system. // Arthur B. Sperry // Automatic Electric Co | |||
| Version 1 (current) | 2.76 MB | Shaun Ewing | Feb 25, 1919 00:00 | US-1295229-A // Telephone-exchange system. // Arthur B. Sperry // Automatic Electric Co | ||||
| PDF File 1269453.pdf | 2.74 MB | Shaun Ewing | Jun 11, 1918 00:00 |
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US-1269453-A // Automatic party-line telephone-exchange system. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 2.74 MB | Shaun Ewing | Jun 11, 1918 00:00 | US-1269453-A // Automatic party-line telephone-exchange system. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1292465.pdf | 2.74 MB | Shaun Ewing | Jan 28, 1919 00:00 |
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US-1292465-A // Automatic telephone system. // Harry E. Hershey // Automatic Electric Co | |||
| Version 1 (current) | 2.74 MB | Shaun Ewing | Jan 28, 1919 00:00 | US-1292465-A // Automatic telephone system. // Harry E. Hershey // Automatic Electric Co | ||||
| PDF File 1280783.pdf | 2.73 MB | Shaun Ewing | Oct 08, 1918 00:00 |
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US-1280783-A // Ring-back arrangement for common-battery telephone party-lines. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 2.73 MB | Shaun Ewing | Oct 08, 1918 00:00 | US-1280783-A // Ring-back arrangement for common-battery telephone party-lines. // Fritz Lubberger // Automatic Electric Co | ||||
| PDF File 1237998.pdf | 2.69 MB | Shaun Ewing | Aug 21, 1917 00:00 |
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US-1237998-A // Automatic telephone system. // Raymond H. Burfeind // Automatic Electric Co | |||
| Version 1 (current) | 2.69 MB | Shaun Ewing | Aug 21, 1917 00:00 | US-1237998-A // Automatic telephone system. // Raymond H. Burfeind // Automatic Electric Co | ||||
| PDF File 1151543.pdf | 2.68 MB | Shaun Ewing | Aug 24, 1915 00:00 |
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US-1151543-A // Telephone-exchange trunking system. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 2.68 MB | Shaun Ewing | Aug 24, 1915 00:00 | US-1151543-A // Telephone-exchange trunking system. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1165690.pdf | 2.65 MB | Shaun Ewing | Dec 28, 1915 00:00 |
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US-1165690-A // Telephone-exchange trunking system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.65 MB | Shaun Ewing | Dec 28, 1915 00:00 | US-1165690-A // Telephone-exchange trunking system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1172366.pdf | 2.65 MB | Shaun Ewing | Feb 22, 1916 00:00 |
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US-1172366-A // Automatic telephone-exchange system. // Omer Kirby // Automatic Electric Co | |||
| Version 1 (current) | 2.65 MB | Shaun Ewing | Feb 22, 1916 00:00 | US-1172366-A // Automatic telephone-exchange system. // Omer Kirby // Automatic Electric Co | ||||
| PDF File 1156450.pdf | 2.64 MB | Shaun Ewing | Oct 12, 1915 00:00 |
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US-1156450-A // Cord-circuit for telephone systems. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 2.64 MB | Shaun Ewing | Oct 12, 1915 00:00 | US-1156450-A // Cord-circuit for telephone systems. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1168894.pdf | 2.60 MB | Shaun Ewing | Jan 18, 1916 00:00 |
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US-1168894-A // Telephone-exchange trunking system. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 2.60 MB | Shaun Ewing | Jan 18, 1916 00:00 | US-1168894-A // Telephone-exchange trunking system. // Fritz Lubberger // Automatic Electric Co | ||||
| PDF File 1291586.pdf | 2.59 MB | Shaun Ewing | Jan 14, 1919 00:00 |
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US-1291586-A // Trunking and supervisory system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 2.59 MB | Shaun Ewing | Jan 14, 1919 00:00 | US-1291586-A // Trunking and supervisory system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1242458.pdf | 2.57 MB | Shaun Ewing | Oct 09, 1917 00:00 |
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US-1242458-A // Automatic party-line telephone system. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 2.57 MB | Shaun Ewing | Oct 09, 1917 00:00 | US-1242458-A // Automatic party-line telephone system. // Fritz Lubberger // Automatic Electric Co |
