Pocket Watch Database
Patent Archive
#1910434
Patent Information
Electric Driven Pendulum
Harvey C. Hayes
May 23, 1933
Patent #1910434
| Patent Number: | 1910434 |
| Description: | Electric Driven Pendulum |
| Inventor(s): | Harvey C. Hayes |
| Patent Date: | May 23, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
