Pocket Watch Database
Patent Archive
#3362154
Patent Information
Timepiece Watertight Device
Jean Perret
January 9, 1968
Patent #3362154
| Patent Number: | 3362154 |
| Description: | Timepiece Watertight Device |
| Inventor(s): | Jean Perret |
| Assignee: | Montres Rolex S A |
| Patent Date: | Jan 9, 1968 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
