Pocket Watch Database
Patent Archive
#812234
Patent Information
Watch Regulator
Hermann Roost
February 13, 1906
Patent #812234
| Patent Number: | 812234 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | Hermann Roost |
| Patent Date: | Feb 13, 1906 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
