Pocket Watch Database
Patent Archive
#3491530
Patent Information
Watch Balance Wheel
Wilhelm Tilse
January 27, 1970
Patent #3491530
| Patent Number: | 3491530 |
| Description: | Watch Balance Wheel |
| Inventor(s): | Wilhelm Tilse |
| Assignee: | United States Time Corp |
| Patent Date: | Jan 27, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
