Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6161626 | Sand trap conditioner | Richard M. Lange, Stephen R. Voss | 2000-12-19 |
| 6085847 | Sand trap conditioner | Richard M. Lange, Stephen R. Voss | 2000-07-11 |
| 6073716 | Hydraulic system for vehicular traction drive | Gary A. Ellertson | 2000-06-13 |
| 4705449 | Skid-steer vehicle | Leslie L. Christianson, Ralph Alcock, Donell P. Froehlich | 1987-11-10 |