Pocket Watch Database
Patent Archive
#639698
Patent Information
Watch Roller Pin Fasten
Elmer J. Haverly
December 19, 1899
Patent #639698
| Patent Number: | 639698 |
| Description: | Watch Roller Pin Fasten |
| Inventor(s): | Elmer J. Haverly |
| Patent Date: | Dec 19, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
