Pocket Watch Database
Patent Archive
#1335148
Patent Information
Clock Electric Secondary
Poul Peter Andersen
March 30, 1920
Patent #1335148
| Patent Number: | 1335148 |
| Description: | Clock Electric Secondary |
| Inventor(s): | Poul Peter Andersen |
| Patent Date: | Mar 30, 1920 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
