Pocket Watch Database
Patent Archive
#316965
Patent Information
Watch Barrel
John Hay
May 5, 1885
Patent #316965
| Patent Number: | 316965 |
| Description: | Watch Barrel |
| Inventor(s): | John Hay |
| Assignee: | Thomson J E |
| Patent Date: | May 5, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
