Pocket Watch Database
Patent Archive
#3487631
Patent Information
Watch Calendar Set Device
Katsuhiko Morita
January 6, 1970
Patent #3487631
| Patent Number: | 3487631 |
| Description: | Watch Calendar Set Device |
| Inventor(s): | Katsuhiko Morita |
| Assignee: | Kabushiki Kaisha Daini Seikosh |
| Patent Date: | Jan 6, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
