Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872117 | Apparatus for controlling an air-fuel ratio in an internal combustion engine | Akira Osada | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872117 | Apparatus for controlling an air-fuel ratio in an internal combustion engine | Akira Osada | 1989-10-03 |