Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9198343 | Implement weight transfer with feedback control | Nathan A. Mariman, Jacob D. Salowitz, Douglas S. States | 2015-12-01 |
| 6205938 | Grain box insert for seeding implement | Ralph Everette Stanfill | 2001-03-27 |
| 6109192 | Power rate adjustment mechanism for a seeding implement | Ralph Everette Stanfill | 2000-08-29 |
| 5363924 | Weight transfer system for an agricultural machine | Michael D. Snyder | 1994-11-15 |
| 5261497 | Multiple implement hitch and steerable wheel assembly therefor | Michael D. Snyder, John D. Long | 1993-11-16 |
| 5163518 | Down force adjustment and lift for an opener supported from a frame by lift arms | — | 1992-11-17 |
| 5054560 | Transporting caster wheels | Vernon E. Rettig | 1991-10-08 |
| 4875527 | Dual implement hitch assembly | Michael D. Snyder, John D. Long | 1989-10-24 |
| 4549369 | Drive-actuated latching device for a security parking gate | — | 1985-10-29 |