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 1580850.pdf | 307 kB | Shaun Ewing | Apr 13, 1926 00:00 |
|
US-1580850-A // Electron-discharge device // Otis Russell M. ; Funk Wilbur F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 307 kB | Shaun Ewing | Apr 13, 1926 00:00 | US-1580850-A // Electron-discharge device // Otis Russell M. ; Funk Wilbur F. // Bell Telephone Labor Inc | ||||
| PDF File 1578634.pdf | 231 kB | Shaun Ewing | Mar 30, 1926 00:00 |
|
US-1578634-A // Clamping and supporting device // Borgmann Charles // Bell Telephone Labor Inc | |||
| Version 1 (current) | 231 kB | Shaun Ewing | Mar 30, 1926 00:00 | US-1578634-A // Clamping and supporting device // Borgmann Charles // Bell Telephone Labor Inc |