Pocket Watch Database
Patent Archive
#3470688
Patent Information
Watch Calendar Set
Mamoru Miyasaka
October 7, 1969
Patent #3470688
| Patent Number: | 3470688 |
| Description: | Watch Calendar Set |
| Inventor(s): | Mamoru Miyasaka |
| Assignee: | Kabushiki Kaisha Suwa Swikosha |
| Patent Date: | Oct 7, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
