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, James J. Mazzola, III, Frederick J. Rozario | 2003-01-14 |
| 6505591 | Valve train with assembly guides | Alan W. Hayman | 2003-01-14 |