Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8827291 | Roll enhancing snowmobile ski suspension for deeper snow riding | Harold J. Cronquist, Gerard J. Karpik | 2014-09-09 |
| 6981578 | Non-pressurized monotube shock absorber | James D. Hansen | 2006-01-03 |
| 5845918 | All terrain vehicle with semi-independent rear suspension | James E. Grinde, Ronald Solberg | 1998-12-08 |