Pocket Watch Database
Patent Archive
#2936571
Patent Information
Counterbalance For Balance Wheel
Philip E. Biemiller
May 17, 1960
Patent #2936571
| Manufacturer: | Hamilton |
| Patent Number: | 2936571 |
| Description: | Counterbalance For Balance Wheel |
| Inventor(s): | Philip E. Biemiller |
| Assignee: | Hamilton Watch Co |
| Patent Date: | May 17, 1960 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
