Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45405 | Adjustable axle control | Richard A. Humpal | 2015-03-03 |
| 7938415 | Suspended axle for sprayer | Brandon C. Carlson, Donald E. Young, Garry E. Baxter | 2011-05-10 |
| 7574926 | Rotary cam driven sensor and feedback control | — | 2009-08-18 |
| 7168717 | High clearance vehicle suspension with twin spindles for transferring steering torque | Thomas Wubben, Marvin Anthony Maiwald, Brandon C. Carlson, William A. Brett | 2007-01-30 |
| 6942163 | Implement with plumbing lines through a main frame tube | Joshua Jacob Engelbrecht, Mark E. Barker, Garry E. Baxter | 2005-09-13 |
| 6892124 | Adjustable axle control | Richard A. Humpal | 2005-05-10 |
| 6851886 | Knee joint assembly | — | 2005-02-08 |