Pocket Watch Database
Patent Archive
#748250
Patent Information
Clock Year Wind
Martin Wortmann
December 29, 1903
Patent #748250
| Patent Number: | 748250 |
| Description: | Clock Year Wind |
| Inventor(s): | Martin Wortmann |
| Patent Date: | Dec 29, 1903 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
