Pocket Watch Database
Patent Archive
#827137
Patent Information
Watch Balance Staff Protector
James R. G. Addington
July 31, 1906
Patent #827137
| Patent Number: | 827137 |
| Description: | Watch Balance Staff Protector |
| Inventor(s): | James R. G. Addington |
| Assignee: | Addington Hugh J |
| Patent Date: | Jul 31, 1906 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
