Pocket Watch Database
Patent Archive
#1002124
Patent Information
Tool Watch Crystal Grinder
Helge A. Borresen
August 29, 1911
Patent #1002124
Patent Number: | 1002124 |
Description: | Tool Watch Crystal Grinder |
Inventor(s): | Helge A. Borresen |
Patent Date: | Aug 29, 1911 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |