Pocket Watch Database
Patent Archive
#2151197
Patent Information
Timepiece Compensate Spring And Alloy
Frederick P. Flagg
March 21, 1939
Patent #2151197
| Manufacturer: | Waltham |
| Patent Number: | 2151197 |
| Description: | Timepiece Compensate Spring And Alloy |
| Inventor(s): | Frederick P. Flagg |
| Assignee: | Waltham Watch Co |
| Patent Date: | Mar 21, 1939 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
