Pocket Watch Database
Patent Archive
#3487629
Patent Information
Watch Balance
Hirotoki Takamune
Goro Ishida Fujio Hanaue
January 6, 1970
Patent #3487629
| Patent Number: | 3487629 |
| Description: | Watch Balance |
| Inventor(s): |
Hirotoki Takamune Goro Ishida Fujio Hanaue |
| Assignee: | Citizen Tokei Kabushiki Kaisha |
| Patent Date: | Jan 6, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
