Pocket Watch Database
Patent Archive
#825875
Patent Information
Clock Year Wind
Martin Wortmann
July 10, 1906
Patent #825875
Patent Number: | 825875 |
Description: | Clock Year Wind |
Inventor(s): | Martin Wortmann |
Patent Date: | Jul 10, 1906 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |