Pocket Watch Database
Patent Archive
#1339941
Patent Information
Watch Barrel
Helge A. Borresen
May 11, 1920
Patent #1339941
Patent Number: | 1339941 |
Description: | Watch Barrel |
Inventor(s): | Helge A. Borresen |
Assignee: | Hills Edward R |
Patent Date: | May 11, 1920 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |