Pocket Watch Database
Patent Archive
#419517
Patent Information
Watch Case Spring
Barton M. Greene
January 14, 1890
Patent #419517
| Patent Number: | 419517 |
| Description: | Watch Case Spring |
| Inventor(s): | Barton M. Greene |
| Assignee: | Airey Robert W |
| Patent Date: | Jan 14, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
