Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6915873 | Suspended drive axle and agricultural tractor with same | Dennis A. Bowman, Mervin P. Kizlyk, Norman Frederick Lemmon, Kendall L. Giesmann, Aaron Peterson +7 more | 2005-07-12 |
| 6779623 | Suspended drive axle and agricultural tractor with same | Dennis A. Bowman, Mervin P. Kizlyk, Norman Frederick Lemmon, Kendall L. Giesmann, Aaron Peterson +7 more | 2004-08-24 |
| 6722994 | Suspended drive axle and agricultural tractor with same | Dennis A. Bowman, Mervin P. Kizlyk, Norman Frederick Lemmon, Kendall L. Giesmann, Aaron Peterson +7 more | 2004-04-20 |
| D355423 | Tractor | Lyle R. Madson | 1995-02-14 |
| 5152364 | Tractor configuration and component mounting arrangement for high visibility, maneuverability, and serviceability | Lyle R. Madson | 1992-10-06 |
| 4392546 | Suspended operator station | Ross K. Brown, Raymond D. Thompson, Darrell L. Wright, James M. Conner, William E. Crookes +1 more | 1983-07-12 |