Pocket Watch Database
Patent Archive
#3017741
Patent Information
Balance Wheel Overbalking Prevent Means
Fred Koehler
January 23, 1962
Patent #3017741
| Manufacturer: | Hamilton |
| Patent Number: | 3017741 |
| Description: | Balance Wheel Overbalking Prevent Means |
| Inventor(s): | Fred Koehler |
| Assignee: | Hamilton Watch Co |
| Patent Date: | Jan 23, 1962 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
