Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886027 | Fuel injection temperature compensation system | William B. Orrell | 1989-12-12 |
| 4656829 | System for predicting catalytic converter temperature | William B. Orrell | 1987-04-14 |