Pocket Watch Database
Patent Archive
#3499281
Patent Information
Watch Crown
Robert W. Denley
Raymond J. Grohoski
March 10, 1970
Patent #3499281
Patent Number: | 3499281 |
Description: | Watch Crown |
Inventor(s): |
Robert W. Denley Raymond J. Grohoski |
Assignee: | United States Time Corp |
Patent Date: | Mar 10, 1970 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |