Pocket Watch Database
Patent Archive
#3453819
Patent Information
Watch Control Watertight
John Simon
July 8, 1969
Patent #3453819
| Patent Number: | 3453819 |
| Description: | Watch Control Watertight |
| Inventor(s): | John Simon |
| Patent Date: | Jul 8, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
