Pocket Watch Database
Patent Archive
#1785267
Patent Information
Clock Movement Regulator
John O. Simpson
William J. Large
December 16, 1930
Patent #1785267
| Patent Number: | 1785267 |
| Description: | Clock Movement Regulator |
| Inventor(s): |
John O. Simpson William J. Large |
| Assignee: | E Ingraham Co |
| Patent Date: | Dec 16, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
