Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9061834 | Manipulative auger system | Robert Koerselman | 2015-06-23 |
| 8839999 | Integrated hub and spindle assembly and a self-aligning tractor axle mounted tank system | — | 2014-09-23 |
| 6286870 | Tractor axle mounted tank system | Brent Mulder | 2001-09-11 |