Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306063 | System for controlling combustion engine performance in accordance with driver behavior | Roger J. Hapka | 2001-10-23 |
| 5954617 | System for controlling internal combustion engine performance in accordance with driver behavior | Roger J. Hapka | 1999-09-21 |