Pocket Watch Database
Patent Archive
#461994
Patent Information
Clock, Main Spring, Safety
S.B. Wortmann,
October 27, 1891
Patent #461994
Patent Number: | 461994 |
Description: | Clock, Main Spring, Safety |
Inventor(s): | S.B. Wortmann, |
Patent Date: | Oct 27, 1891 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |