Pocket Watch Database
Patent Archive
#67223
Patent Information
Watch Dustproof Movement
O. F. Stedman
July 30, 1867
Patent #67223
| Patent Number: | 67223 |
| Description: | Watch Dustproof Movement |
| Inventor(s): | O. F. Stedman |
| Patent Date: | Jul 30, 1867 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
