Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335796 | Sizing screens for comminuting machines | Duane Harthoorn, Greg Williams | 2019-07-02 |
| 9505007 | Deflection structure for tub grinder | Duane Harthoorn, Greg Williams | 2016-11-29 |