Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11140804 | Angle adjustable coulter wheel assembly | Geof J. Gray, John Mark Averink, Jake A. Rozendaal, Simon Goveia | 2021-10-12 |
| 9247687 | Hydraulically controlled rotary harrow for tillage apparatus and system | Geof J. Gray, Jake A. Rozendaal, John Mark Averink | 2016-02-02 |