Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1269453.pdf | 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 | |||
| 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 1270277.pdf | 5.79 MB | Shaun Ewing | Jun 25, 1918 00:00 |
|
US-1270277-A // Two-wire automatic and manual telephone-exchange trunking system. // Edward D. Fales // Automatic Electric Co | |||
| Version 1 (current) | 5.79 MB | Shaun Ewing | Jun 25, 1918 00:00 | US-1270277-A // Two-wire automatic and manual telephone-exchange trunking system. // Edward D. Fales // Automatic Electric Co | ||||
| PDF File 1271032.pdf | 3.25 MB | Shaun Ewing | Jul 02, 1918 00:00 |
|
US-1271032-A // Automatic telephone system. // Bernard C. Groh // Automatic Electric Co | |||
| Version 1 (current) | 3.25 MB | Shaun Ewing | Jul 02, 1918 00:00 | US-1271032-A // Automatic telephone system. // Bernard C. Groh // Automatic Electric Co | ||||
| PDF File 1274357.pdf | 2.29 MB | Shaun Ewing | Jul 30, 1918 00:00 |
|
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 1275141.pdf | 3.61 MB | Shaun Ewing | Aug 06, 1918 00:00 |
|
US-1275141-A // Telephone-exchange apparatus and system. // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 3.61 MB | Shaun Ewing | Aug 06, 1918 00:00 | US-1275141-A // Telephone-exchange apparatus and system. // John Erickson // Automatic Electric Co | ||||
| PDF File 1275142.pdf | 3.68 MB | Shaun Ewing | Aug 06, 1918 00:00 |
|
US-1275142-A // Telephone-exchange apparatus and system // John Erickson // Automatic Electric Co | |||
| Version 1 (current) | 3.68 MB | Shaun Ewing | Aug 06, 1918 00:00 | US-1275142-A // Telephone-exchange apparatus and system // John Erickson // Automatic Electric Co | ||||
| PDF File 1275186.pdf | 1.68 MB | Shaun Ewing | Aug 06, 1918 00:00 |
|
US-1275186-A // Automatic telephone system. // Willis E. Lamb // Automatic Electric Co | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Aug 06, 1918 00:00 | US-1275186-A // Automatic telephone system. // Willis E. Lamb // Automatic Electric Co | ||||
| PDF File 1277675.pdf | 1.78 MB | Shaun Ewing | Sept 03, 1918 00:00 |
|
US-1277675-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 1.78 MB | Shaun Ewing | Sept 03, 1918 00:00 | US-1277675-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1277840.pdf | 1.22 MB | Shaun Ewing | Sept 03, 1918 00:00 |
|
US-1277840-A // Automatic telephone calling device. // John G. Blessing // Automatic Electric Co | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Sept 03, 1918 00:00 | US-1277840-A // Automatic telephone calling device. // John G. Blessing // Automatic Electric Co | ||||
| PDF File 1278282.pdf | 1.79 MB | Shaun Ewing | Sept 10, 1918 00:00 |
|
US-1278282-A // Telephone system. // George A. Yanochoswki ; Harry E. Hershey // Automatic Electric Co | |||
| Version 1 (current) | 1.79 MB | Shaun Ewing | Sept 10, 1918 00:00 | US-1278282-A // Telephone system. // George A. Yanochoswki ; Harry E. Hershey // Automatic Electric Co | ||||
| PDF File 1278365.pdf | 3.41 MB | Shaun Ewing | Sept 10, 1918 00:00 |
|
US-1278365-A // Automatic telephone system. // Anders M. Malmberg // Automatic Electric Co | |||
| Version 1 (current) | 3.41 MB | Shaun Ewing | Sept 10, 1918 00:00 | US-1278365-A // Automatic telephone system. // Anders M. Malmberg // Automatic Electric Co | ||||
| PDF File 1279352.pdf | 496 kB | Shaun Ewing | Sept 17, 1918 00:00 |
|
US-1279352-A // Impulse-transmitter. // Alexander E. Keith // Automatic Electric Co | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Sept 17, 1918 00:00 | US-1279352-A // Impulse-transmitter. // Alexander E. Keith // Automatic Electric Co | ||||
| PDF File 1280256.pdf | 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 | |||
| 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 1280609.pdf | 1.18 MB | Shaun Ewing | Oct 01, 1918 00:00 |
|
US-1280609-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Oct 01, 1918 00:00 | US-1280609-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1280782.pdf | 1.39 MB | Shaun Ewing | Oct 08, 1918 00:00 |
|
US-1280782-A // Automatic release for telephone systems. // Fritz Lubberger // Automatic Electric Co | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Oct 08, 1918 00:00 | US-1280782-A // Automatic release for telephone systems. // Fritz Lubberger // Automatic Electric Co | ||||
| PDF File 1280783.pdf | 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 | |||
| 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 1281112.pdf | 1.09 MB | Shaun Ewing | Oct 08, 1918 00:00 |
|
US-1281112-A // Special-service trunk for automatic telephone systems. // Bernard D. Willis // Automatic Electric Co | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Oct 08, 1918 00:00 | US-1281112-A // Special-service trunk for automatic telephone systems. // Bernard D. Willis // Automatic Electric Co | ||||
| PDF File 1281251.pdf | 1.62 MB | Shaun Ewing | Oct 08, 1918 00:00 |
|
US-1281251-A // Measured-service telephone system. // Roy C. Gifford // Automatic Electric Co | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Oct 08, 1918 00:00 | US-1281251-A // Measured-service telephone system. // Roy C. Gifford // Automatic Electric Co | ||||
| PDF File 1282257.pdf | 7.18 MB | Shaun Ewing | Oct 22, 1918 00:00 |
|
US-1282257-A // Telephone exchange system. // Talbot C. Martin // Automatic Electric Co | |||
| Version 1 (current) | 7.18 MB | Shaun Ewing | Oct 22, 1918 00:00 | US-1282257-A // Telephone exchange system. // Talbot C. Martin // Automatic Electric Co | ||||
| PDF File 1282803.pdf | 715 kB | Shaun Ewing | Oct 29, 1918 00:00 |
|
US-1282803-A // Signaling system. // William A. Fricke // Automatic Electric Co | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Oct 29, 1918 00:00 | US-1282803-A // Signaling system. // William A. Fricke // Automatic Electric Co |
