Pocket Watch Database
Patent Archive
#2529807
Patent Information
Hair Spring Collet
Fritz Marti
November 14, 1950
Patent #2529807
| Patent Number: | 2529807 |
| Description: | Hair Spring Collet |
| Inventor(s): | Fritz Marti |
| Patent Date: | Nov 14, 1950 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
