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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1209304.pdf | 604 kB | Shaun Ewing | Dec 19, 1916 00:00 |
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US-1209304-A // Impulse-transmitting device. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 604 kB | Shaun Ewing | Dec 19, 1916 00:00 | US-1209304-A // Impulse-transmitting device. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1209825.pdf | 1.23 MB | Shaun Ewing | Dec 26, 1916 00:00 |
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US-1209825-A // Telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Dec 26, 1916 00:00 | US-1209825-A // Telephone system. // John Erickson // Automatic Electric Co | ||||
| PDF File 1209826.pdf | 1.34 MB | Shaun Ewing | Dec 26, 1916 00:00 |
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US-1209826-A // Telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Dec 26, 1916 00:00 | US-1209826-A // Telephone system. // John Erickson // 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 1214686.pdf | 4.68 MB | Shaun Ewing | Feb 06, 1917 00:00 |
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US-1214686-A // Supervisory system. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 4.68 MB | Shaun Ewing | Feb 06, 1917 00:00 | US-1214686-A // Supervisory system. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1214969.pdf | 1.43 MB | Shaun Ewing | Feb 06, 1917 00:00 |
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US-1214969-A // Measured-service telephone system. // Samuel S. Stolp // Automatic Electric Co | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Feb 06, 1917 00:00 | US-1214969-A // Measured-service telephone system. // Samuel S. Stolp // Automatic Electric Co | ||||
| PDF File 1216323.pdf | 1.14 MB | Shaun Ewing | Feb 20, 1917 00:00 |
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US-1216323-A // Telephone-subscriber's calling mechanism. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Feb 20, 1917 00:00 | US-1216323-A // Telephone-subscriber's calling mechanism. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1216365.pdf | 4.48 MB | Shaun Ewing | Feb 20, 1917 00:00 |
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US-1216365-A // Automatic telephone system. // Clarence E. Rogers // Automatic Electric Co | |||
| Version 1 (current) | 4.48 MB | Shaun Ewing | Feb 20, 1917 00:00 | US-1216365-A // Automatic telephone system. // Clarence E. Rogers // 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 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 1217426.pdf | 1.80 MB | Shaun Ewing | Feb 27, 1917 00:00 |
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US-1217426-A // Measured-service telephone system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 1.80 MB | Shaun Ewing | Feb 27, 1917 00:00 | US-1217426-A // Measured-service telephone system. // John Erickson // 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 | ||||
| PDF File 1217510.pdf | 1.40 MB | Shaun Ewing | Feb 27, 1917 00:00 |
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US-1217510-A // Telephone trunking system. // Michael Schwartz // Automatic Electric Co | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Feb 27, 1917 00:00 | US-1217510-A // Telephone trunking system. // Michael Schwartz // Automatic Electric Co | ||||
| PDF File 1218048.pdf | 1.57 MB | Shaun Ewing | Mar 06, 1917 00:00 |
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US-1218048-A // Automatic selecting-switch. // John G. Blessing // Automatic Electric Co | |||
| Version 1 (current) | 1.57 MB | Shaun Ewing | Mar 06, 1917 00:00 | US-1218048-A // Automatic selecting-switch. // John G. Blessing // Automatic Electric Co | ||||
| PDF File 1218067.pdf | 499 kB | Shaun Ewing | Mar 06, 1917 00:00 |
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US-1218067-A // Pole-changer. // Charles J. Erickson // Automatic Electric Co | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Mar 06, 1917 00:00 | US-1218067-A // Pole-changer. // Charles J. Erickson // 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 1221235.pdf | 452 kB | Shaun Ewing | Apr 03, 1917 00:00 |
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US-1221235-A // Subscriber's telephone-circuit. // Arthur Bessey Smith // Automatic Electric Co | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Apr 03, 1917 00:00 | US-1221235-A // Subscriber's telephone-circuit. // Arthur Bessey Smith // Automatic Electric Co | ||||
| PDF File 1221287.pdf | 3.24 MB | Shaun Ewing | Apr 03, 1917 00:00 |
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US-1221287-A // Automatic telephone trunking-switch and system therefor. // Wilson L. Campbell // Automatic Electric Co | |||
| Version 1 (current) | 3.24 MB | Shaun Ewing | Apr 03, 1917 00:00 | US-1221287-A // Automatic telephone trunking-switch and system therefor. // Wilson L. Campbell // 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 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 |
