Pocket Watch Database
Patent Archive
#2500557
Patent Information
Timepiece Balance And Hair Spring Regulator
Fritz Marti
March 14, 1950
Patent #2500557
| Patent Number: | 2500557 |
| Description: | Timepiece Balance And Hair Spring Regulator |
| Inventor(s): | Fritz Marti |
| Patent Date: | Mar 14, 1950 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
