Pocket Watch Database
Patent Archive
#1476749
Patent Information
Watch Time Study
Lucien I. Yeomans
December 11, 1923
Patent #1476749
| Patent Number: | 1476749 |
| Description: | Watch Time Study |
| Inventor(s): | Lucien I. Yeomans |
| Assignee: | Pioneer Production Co |
| Patent Date: | Dec 11, 1923 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
