Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773601 | Combination small-scale tub grinder and wood chipper | Oren D. Urich, Ralph T. O'Donnell | 1988-09-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773601 | Combination small-scale tub grinder and wood chipper | Oren D. Urich, Ralph T. O'Donnell | 1988-09-27 |