Pocket Watch Database
Patent Archive
#372269
Patent Information
Watch J Support For Balance Staff
Henry Knickman
October 25, 1889
Patent #372269
| Patent Number: | 372269 |
| Description: | Watch J Support For Balance Staff |
| Inventor(s): | Henry Knickman |
| Patent Date: | Oct 25, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
