Pocket Watch Database
Patent Archive
#3481138
Patent Information
Watch Balance Electric
Yoshikiyo Futagawa
Chiaki Komatsu
December 2, 1969
Patent #3481138
| Patent Number: | 3481138 |
| Description: | Watch Balance Electric |
| Inventor(s): |
Yoshikiyo Futagawa Chiaki Komatsu |
| Assignee: | Kabushiki Kaisha Suwa Seikosha |
| Patent Date: | Dec 2, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
