Pocket Watch Database
Patent Archive
#633938
Patent Information
Escape Pendulum
Carl T. E. Zimmerman
September 26, 1899
Patent #633938
| Patent Number: | 633938 |
| Description: | Escape Pendulum |
| Inventor(s): | Carl T. E. Zimmerman |
| Patent Date: | Sep 26, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
