Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505589 | Single cam three-valve engine overhead valve train | Alan W. Hayman, Frederick J. Rozario, Terry Wayne Black | 2003-01-14 |
| 6505592 | Valve train for twin cam three-valve engine | Alan W. Hayman | 2003-01-14 |