Pocket Watch Database
Patent Archive
#3485032
Patent Information
Watch Tuning Fork
Kazuo Ishikawa
Koichi Iwaki
December 23, 1969
Patent #3485032
| Patent Number: | 3485032 |
| Description: | Watch Tuning Fork |
| Inventor(s): |
Kazuo Ishikawa Koichi Iwaki |
| Assignee: | Jeco Co Ltd |
| Patent Date: | Dec 23, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
