Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11109542 | Stump grinder with laterally offset grinding arm operated by single joystick | Joseph C. Knipp, David A. Murray, Landon M. Aldinger | 2021-09-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11109542 | Stump grinder with laterally offset grinding arm operated by single joystick | Joseph C. Knipp, David A. Murray, Landon M. Aldinger | 2021-09-07 |