Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035943 | Frame leveling system for tillage implements | Ron Zwarich | 2000-03-14 |
| 5855245 | Disk opener carrier hitch | — | 1999-01-05 |
| 5687798 | Down-pressure system for agricultural implement | James W. Henry, David R. Hundeby | 1997-11-18 |