Pocket Watch Database
Patent Archive
#3427800
Patent Information
Watch Wrist Yachting & Diving
Henry L. Blum
February 18, 1969
Patent #3427800
| Patent Number: | 3427800 |
| Description: | Watch Wrist Yachting & Diving |
| Inventor(s): | Henry L. Blum |
| Assignee: | Montres Yema S A |
| Patent Date: | Feb 18, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
