Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12376534 | Stump grinder with grinding arm and control | Joseph C. Knipp, David A. Murray, Landon M. Aldinger, John P. Azure | 2025-08-05 |
| 11672210 | Stump grinder with laterally offset grinding arm operated by single joystick | Joseph C. Knipp, David A. Murray, Landon M. Aldinger, John P. Azure | 2023-06-13 |
| 11109542 | Stump grinder with laterally offset grinding arm operated by single joystick | Joseph C. Knipp, David A. Murray, Landon M. Aldinger | 2021-09-07 |
| 6047503 | Premanufactured wall frames with preinstalled hurricane strapping | — | 2000-04-11 |