Pocket Watch Database
Patent Archive
#3084316
Patent Information
Watch Tunnel Diode Drive Devce 4 Electric
Ewald Zemla
April 2, 1963
Patent #3084316
| Patent Number: | 3084316 |
| Description: | Watch Tunnel Diode Drive Devce 4 Electric |
| Inventor(s): | Ewald Zemla |
| Assignee: | United States Time Corp |
| Patent Date: | Apr 2, 1963 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
