Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813232 | Exhaust device for internal combustion engine | Mitsuo Hitomi, Kazuaki Umezono | 1989-03-21 |
FH
Fumio Hinatase
Overall (1989): #113,677 of 140,708Top 85%
1
Patents 1989