Pocket Watch Database
Patent Archive
#997020
Patent Information
Watch Safety
Riccardo Stanig
July 4, 1911
Patent #997020
Patent Number: | 997020 |
Description: | Watch Safety |
Inventor(s): | Riccardo Stanig |
Patent Date: | Jul 4, 1911 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |