Pocket Watch Database
Patent Archive
#2333932
Patent Information
Watch Rim Wind
Rolf Woldemar Hering
November 9, 1943
Patent #2333932
Patent Number: | 2333932 |
Description: | Watch Rim Wind |
Inventor(s): | Rolf Woldemar Hering |
Patent Date: | Nov 9, 1943 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |