Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6988351 | Midmount mower apparatus with raiseable and accessible mower deck | Scott A. Schick, Steve D. Shivvers | 2006-01-24 |
| 5092819 | Method and apparatus for qualitatively measuring characteristics of grain to be harvested | Michael Schroeder, Steven D. Shivvers, Carl C. Shivvers, Ronald L. McCaslen, Robert Daniel Engle | 1992-03-03 |
| 4896506 | Transmission with integrated gear reduction | Steven D. Shivvers, Richard A. Arnold, Edward A. Ryks | 1990-01-30 |
| 4845949 | Parking brake for integrated transmission | Steven D. Shivvers, Richard A. Arnold, Edward A. Ryks | 1989-07-11 |
| 4843817 | Integrated hydraulic transmission | Steven D. Shivvers, Richard A. Arnold, Edward A. Ryks | 1989-07-04 |