Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846283 | Engine-sensing draft control system with multiple feedback compensation mechanisms | — | 1989-07-11 |
| 4802545 | Steering control system for articulated vehicle | Paul A. Nystuen, Kevin L. Brekkestran, Calvin J. Kraning | 1989-02-07 |