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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1293415.pdf | 1.68 MB | Shaun Ewing | Feb 04, 1919 00:00 |
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US-1293415-A // Telephone trunking system. // Bernard C. Groh // Automatic Electric Co | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Feb 04, 1919 00:00 | US-1293415-A // Telephone trunking system. // Bernard C. Groh // Automatic Electric Co | ||||
| PDF File 1293499.pdf | 1.89 MB | Shaun Ewing | Feb 04, 1919 00:00 |
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US-1293499-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 1.89 MB | Shaun Ewing | Feb 04, 1919 00:00 | US-1293499-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1293597.pdf | 1.64 MB | Shaun Ewing | Feb 04, 1919 00:00 |
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US-1293597-A // Telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Feb 04, 1919 00:00 | US-1293597-A // 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 1295096.pdf | 952 kB | Shaun Ewing | Feb 25, 1919 00:00 |
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US-1295096-A // Telephone system. // Albert Andersen // Automatic Electric Co | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Feb 25, 1919 00:00 | US-1295096-A // Telephone system. // Albert Andersen // Automatic Electric Co | ||||
| PDF File 1295175.pdf | 1.50 MB | Shaun Ewing | Feb 25, 1919 00:00 |
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US-1295175-A // Automatic telephone switching apparatus. // Alexander E. Keith ; John G. Blessing // Automatic Electric Co | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Feb 25, 1919 00:00 | US-1295175-A // Automatic telephone switching apparatus. // Alexander E. Keith ; John G. Blessing // Automatic Electric Co | ||||
| PDF File 1295181.pdf | 3.90 MB | Shaun Ewing | Feb 25, 1919 00:00 |
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US-1295181-A // Telephone-exchange system. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 3.90 MB | Shaun Ewing | Feb 25, 1919 00:00 | US-1295181-A // Telephone-exchange system. // Fritz Lubberger // Automatic Electric Co | ||||
| PDF File 1295185.pdf | 1.29 MB | Shaun Ewing | Feb 25, 1919 00:00 |
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US-1295185-A // Rotary connector. // Trygve E. Meyer // Automatic Electric Co | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Feb 25, 1919 00:00 | US-1295185-A // Rotary connector. // Trygve E. Meyer // 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 1297251.pdf | 5.62 MB | Shaun Ewing | Mar 11, 1919 00:00 |
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US-1297251-A // Telephone system. // Homer J. Roberts // Automatic Electric Co | |||
| Version 1 (current) | 5.62 MB | Shaun Ewing | Mar 11, 1919 00:00 | US-1297251-A // Telephone system. // Homer J. Roberts // Automatic Electric Co | ||||
| PDF File 1299155.pdf | 293 kB | Shaun Ewing | Apr 01, 1919 00:00 |
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US-1299155-A // Circuit for pole-changers. // Charles J. Erickson // Automatic Electric Co | |||
| Version 1 (current) | 293 kB | Shaun Ewing | Apr 01, 1919 00:00 | US-1299155-A // Circuit for pole-changers. // Charles J. Erickson // Automatic Electric Co | ||||
| PDF File 1301584.pdf | 3.27 MB | Shaun Ewing | Apr 22, 1919 00:00 |
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US-1301584-A // Combined automatic and manual telephone system. // Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 3.27 MB | Shaun Ewing | Apr 22, 1919 00:00 | US-1301584-A // Combined automatic and manual telephone system. // Talbot G. Martin // Automatic Electric Co | ||||
| PDF File 1301647.pdf | 3.85 MB | Shaun Ewing | Apr 22, 1919 00:00 |
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US-1301647-A // Telephone system. // Wilson L. Campbell ; Talbot G. Martin // Automatic Electric Co | |||
| Version 1 (current) | 3.85 MB | Shaun Ewing | Apr 22, 1919 00:00 | US-1301647-A // Telephone system. // Wilson L. Campbell ; Talbot G. Martin // 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 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 1318004.pdf | 3.57 MB | Shaun Ewing | Oct 07, 1919 00:00 |
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US-1318004-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 3.57 MB | Shaun Ewing | Oct 07, 1919 00:00 | US-1318004-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1356626.pdf | 1.37 MB | Shaun Ewing | Oct 26, 1920 00:00 |
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US-1356626-A // Selective signaling system // Hulit John A. // Automatic Electric Co | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Oct 26, 1920 00:00 | US-1356626-A // Selective signaling system // Hulit John A. // Automatic Electric Co | ||||
| PDF File 801308.pdf | 522 kB | Shaun Ewing | Oct 10, 1905 00:00 |
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US-801308-A // Lock for automatic telephone-switch shafts. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Oct 10, 1905 00:00 | US-801308-A // Lock for automatic telephone-switch shafts. // John Erickson // Automatic Electric Co | ||||
| PDF File 815176.pdf | 3.75 MB | Shaun Ewing | Mar 13, 1906 00:00 |
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US-815176-A // Automatic telephone connector-switch. // Alexander E. Keith ; John Erickson ; Charles J. Erickson // Automatic Electric Co | |||
| Version 1 (current) | 3.75 MB | Shaun Ewing | Mar 13, 1906 00:00 | US-815176-A // Automatic telephone connector-switch. // Alexander E. Keith ; John Erickson ; Charles J. Erickson // Automatic Electric Co | ||||
| PDF File 815321.pdf | 3.37 MB | Shaun Ewing | Mar 13, 1906 00:00 |
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US-815321-A // Automatic telephone selector-switch. // Alexander E. Keith ; John Erickson ; Charles J. Erickson // Automatic Electric Co | |||
| Version 1 (current) | 3.37 MB | Shaun Ewing | Mar 13, 1906 00:00 | US-815321-A // Automatic telephone selector-switch. // Alexander E. Keith ; John Erickson ; Charles J. Erickson // Automatic Electric Co |
