Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882906 | Engine braking system | Masaki Okada | 1989-11-28 |
| 4872434 | Engine brake device | — | 1989-10-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882906 | Engine braking system | Masaki Okada | 1989-11-28 |
| 4872434 | Engine brake device | — | 1989-10-10 |