Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5054560 | Transporting caster wheels | Daniel M. Foley | 1991-10-08 | $25,633,000 |
| 4800964 | Compact shank assembly with leaf spring | Ronald M. Steilen, Jeffrey J. Postal | 1989-01-31 | $6,139,000 |
| 4779471 | Flexible drive arrangement for an implement | — | 1988-10-25 | $3,516,000 |
| 4700785 | Furrow opener assembly with integral down-pressure adjustment | Robert J. Bartusek, Ronald M. Steilen | 1987-10-20 | $3,726,000 |
| 4609203 | Hitch structure with variable link | Ronald M. Steilen, John R. Myers | 1986-09-02 | $6,334,000 |
| 4518046 | Multiple implement hitch and transport | Marvin L. Bigbee, Ronald M. Steilen, Glenn D. Head, Jr. | 1985-05-21 | $911,000 |
| 4260172 | Implement transport system | John R. Myers | 1981-04-07 | $3,212,000 |