Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314921 | Turbocharged engine cooling system with two-pass radiator | Michael D. Betz, Ronald Dupree | 2001-11-13 |
| 6158399 | Turbocharged engine cooling system with two-pass radiator | Michael D. Betz, Ronald Dupree | 2000-12-12 |