Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875426 | Float attachment for watercrafts | Katumasa Soga | 1989-10-24 |
KM
Kazuo Matsutani
Overall (1989): #90,318 of 140,708Top 65%
1
Patents 1989