Pocket Watch Database
Patent Archive
#602635
Patent Information
Escape Pendulum
Laurence Erikson
April 19, 1898
Patent #602635
| Patent Number: | 602635 |
| Description: | Escape Pendulum |
| Inventor(s): | Laurence Erikson |
| Patent Date: | Apr 19, 1898 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
