Pocket Watch Database
Patent Archive
#881415
Patent Information
Watch Safety
Franz Krawczyk
March 10, 1908
Patent #881415
Patent Number: | 881415 |
Description: | Watch Safety |
Inventor(s): | Franz Krawczyk |
Patent Date: | Mar 10, 1908 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |