Pocket Watch Database
Patent Archive
#3487633
Patent Information
Watch Dial Train Friction Device
Paul Wuthrich
January 6, 1970
Patent #3487633
| Patent Number: | 3487633 |
| Description: | Watch Dial Train Friction Device |
| Inventor(s): | Paul Wuthrich |
| Assignee: | United States Time Corp |
| Patent Date: | Jan 6, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
