Pocket Watch Database
Patent Archive
#234999
Patent Information
Watch Spring Catch
Georg Friedrich Mertz
November 30, 1880
Patent #234999
Patent Number: | 234999 |
Description: | Watch Spring Catch |
Inventor(s): | Georg Friedrich Mertz |
Patent Date: | Nov 30, 1880 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |