Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824409 | Marine vessel with internal combustion engine having an exhaust pipe. | — | 1989-04-25 |
NK
Noboru Kobayashi
Overall (1989): #72,890 of 140,708Top 55%
1
Patents 1989