Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404716 | Internally insulated gas manifold | Alan W. Wells, Michael H. Haselkorn, Robert L. Miller, Michael C. Long | 1995-04-11 |
| 4890695 | Engine lubrication system | Craig W. Riediger | 1990-01-02 |
| 4836043 | Connecting rod assembly | John K. Amdall | 1989-06-06 |