Pocket Watch Database
Patent Archive
#2664688
Patent Information
Timepiece Regulator
D. S. Ingraham
March 15, 1949
Patent #2664688
| Patent Number: | 2664688 |
| Description: | Timepiece Regulator |
| Inventor(s): | D. S. Ingraham |
| Assignee: | E Ingraham Co |
| Patent Date: | Mar 15, 1949 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
