Pocket Watch Database
Patent Archive
#927877
Patent Information
Watch Stem Wind & Set
Hermann Roost
July 13, 1909
Patent #927877
Patent Number: | 927877 |
Category: | Stem Mechanisms |
Description: | Watch Stem Wind & Set |
Inventor(s): | Hermann Roost |
Patent Date: | Jul 13, 1909 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |