Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856473 | Internal combustion engine with multiple intake valves and EGR arrangement | Norihisa Nakagawa, Shin Sano | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856473 | Internal combustion engine with multiple intake valves and EGR arrangement | Norihisa Nakagawa, Shin Sano | 1989-08-15 |