Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9192964 | Material reducing apparatus having features for enhancing reduced material size uniformity | Duane Harthoorn | 2015-11-24 |
| 8245961 | Material reducing apparatus having features for enhancing reduced material size uniformity | Duane Harthoorn | 2012-08-21 |