Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5479896 | Compression release engine brake slave piston drive train | James D. Liebel | 1996-01-02 |
| 5365916 | Compression release engine brake slave piston drive train | James D. Liebel | 1994-11-22 |