Pocket Watch Database
Patent Archive
#2145018
Patent Information
Clock Electric
Ralph L. Tweedale
January 24, 1939
Patent #2145018
| Patent Number: | 2145018 |
| Description: | Clock Electric |
| Inventor(s): | Ralph L. Tweedale |
| Patent Date: | Jan 24, 1939 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
