Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497297 | Control system for air/fuel ratio adjustment system | Hugh M. Duncan | 1985-02-05 |
| 4495919 | Control system for air/fuel ratio adjustment system | Hugh M. Duncan | 1985-01-29 |