Pocket Watch Database
Patent Archive
#3389550
Patent Information
Watch Stem
Ervin Piquerez
June 25, 1968
Patent #3389550
Patent Number: | 3389550 |
Category: | Stem Mechanisms |
Description: | Watch Stem |
Inventor(s): | Ervin Piquerez |
Patent Date: | Jun 25, 1968 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |