Pocket Watch Database
Patent Archive
#1837929
Patent Information
Spring Wind Mech
Henry E. Warren
December 22, 1931
Patent #1837929
| Patent Number: | 1837929 |
| Description: | Spring Wind Mech |
| Inventor(s): | Henry E. Warren |
| Assignee: | Warren Telechron Co |
| Patent Date: | Dec 22, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
