Pocket Watch Database
Patent Archive
#864635
Patent Information
Watch Safety
Jacob Fierz
August 27, 1907
Patent #864635
Patent Number: | 864635 |
Description: | Watch Safety |
Inventor(s): | Jacob Fierz |
Patent Date: | Aug 27, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |