Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D957473 | Cabin of a vibratory roller | Mark D. Behn, Brian D. Nagel, Terril Johnson, Robert K. Iverson | 2022-07-12 |
| D941367 | Arm of a vibratory roller | Mark D. Behn, Brian D. Nagel, Terril Johnson, Robert K. Iverson | 2022-01-18 |
| D926827 | Cabin of a vibratory roller | Mark D. Behn, Brian D. Nagel, Terril Johnson, Robert K. Iverson | 2021-08-03 |
| D899468 | Vibratory roller | Mark D. Behn, Brian D. Nagel, Terril Johnson, Robert K. Iverson | 2020-10-20 |
| 8935920 | Hydrostatic drive for a machine | Thomas J. Olson | 2015-01-20 |