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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1221801.pdf | 1.88 MB | Shaun Ewing | Oct 26, 1920 00:00 |
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US-1221801-A // Selective signaling system. // John A. Hulit // Automatic Electric Co | |||
| Version 1 (current) | 1.88 MB | Shaun Ewing | Oct 26, 1920 00:00 | US-1221801-A // Selective signaling system. // John A. Hulit // Automatic Electric Co | ||||
| PDF File 1223506.pdf | 5.18 MB | Shaun Ewing | Apr 24, 1917 00:00 |
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US-1223506-A // Common-battery automatic telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 5.18 MB | Shaun Ewing | Apr 24, 1917 00:00 | US-1223506-A // Common-battery automatic telephone system. // Talbot G. Martin // 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 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 1227474.pdf | 4.74 MB | Shaun Ewing | May 22, 1917 00:00 |
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US-1227474-A // Telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 4.74 MB | Shaun Ewing | May 22, 1917 00:00 | US-1227474-A // Telephone system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1227523.pdf | 1.88 MB | Shaun Ewing | May 22, 1917 00:00 |
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US-1227523-A // Phonographic time-announcer. // John G. Blessing // Automatic Electric Co | |||
| Version 1 (current) | 1.88 MB | Shaun Ewing | May 22, 1917 00:00 | US-1227523-A // Phonographic time-announcer. // John G. Blessing // Automatic Electric Co | ||||
| PDF File 1230639.pdf | 1.20 MB | Shaun Ewing | Jun 19, 1917 00:00 |
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US-1230639-A // Semi-automatic telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Jun 19, 1917 00:00 | US-1230639-A // Semi-automatic telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1230694.pdf | 1.39 MB | Shaun Ewing | Jun 19, 1917 00:00 |
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US-1230694-A // Two-wire to three-wire telephone system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Jun 19, 1917 00:00 | US-1230694-A // Two-wire to three-wire telephone system. // Edward D. Fales // 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 1236858.pdf | 3.30 MB | Shaun Ewing | Aug 14, 1917 00:00 |
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US-1236858-A // Telephone-exchange system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 3.30 MB | Shaun Ewing | Aug 14, 1917 00:00 | US-1236858-A // Telephone-exchange system. // Talbot G. Martin // 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 1237208.pdf | 3.24 MB | Shaun Ewing | Aug 14, 1917 00:00 |
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US-1237208-A // Automatic telephone system. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 3.24 MB | Shaun Ewing | Aug 14, 1917 00:00 | US-1237208-A // Automatic telephone system. // Alexander E. Keith // 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 1238039.pdf | 3.34 MB | Shaun Ewing | Aug 21, 1917 00:00 |
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US-1238039-A // Telephone-exchange automatic trunking system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 3.34 MB | Shaun Ewing | Aug 21, 1917 00:00 | US-1238039-A // Telephone-exchange automatic trunking system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1238705.pdf | 904 kB | Shaun Ewing | Aug 28, 1917 00:00 |
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US-1238705-A // Substation-circuit. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 904 kB | Shaun Ewing | Aug 28, 1917 00:00 | US-1238705-A // Substation-circuit. // Bernard D. Willis // 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 1239587.pdf | 1.73 MB | Shaun Ewing | Sept 11, 1917 00:00 |
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US-1239587-A // Measured-service telephone system. // Roy C. Gifford // Automatic Electric Co | |||
| Version 1 (current) | 1.73 MB | Shaun Ewing | Sept 11, 1917 00:00 | US-1239587-A // Measured-service telephone system. // Roy C. Gifford // Automatic Electric Co | ||||
| PDF File 1242164.pdf | 1.54 MB | Shaun Ewing | Oct 09, 1917 00:00 |
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US-1242164-A // Semi-automatic telephone system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 1.54 MB | Shaun Ewing | Oct 09, 1917 00:00 | US-1242164-A // Semi-automatic telephone system. // Edward D. Fales // 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 | ||||
| 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 |
