Pocket Watch Database
Patent Archive
#2218889
Patent Information
Tight Wind Device
Fritz Marti
October 22, 1940
Patent #2218889
| Patent Number: | 2218889 |
| Description: | Tight Wind Device |
| Inventor(s): | Fritz Marti |
| Patent Date: | Oct 22, 1940 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
