Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409068 | Dual penetration combination sweep with ripper | Rodney D. Hake, Mark A. Eilert | 1995-04-25 |
| 5409069 | Tillage implement with gauge wheel linked to wing lifting and self-leveling mechanism | — | 1995-04-25 |
| 5335735 | Cultivator shank assembly with cammed shank end receiver | — | 1994-08-09 |
| 5249411 | Single drive belt mower with flexible housing | — | 1993-10-05 |
| 5133415 | Cultivator shank assembly | — | 1992-07-28 |
| 5040616 | Shank attachment | — | 1991-08-20 |
| 4606413 | Hydraulic leveler arrangement | — | 1986-08-19 |
| 4530406 | Spring clamp shank assembly | Gregory A. Hamilton | 1985-07-23 |
| 4450917 | Self-leveling arrangement for agricultural implement frame | — | 1984-05-29 |
| 4368783 | Universal auxiliary implement mount | Nelson J. Palen | 1983-01-18 |
| 4321971 | Field cultivator tool support mounting apparatus | Nelson J. Palen | 1982-03-30 |
| 4318444 | Telescoping hinge member on rearwardly folding tool bar | — | 1982-03-09 |
| 4281719 | Spring loaded field cultivator tool support | Nelson J. Palen | 1981-08-04 |
| 4220211 | Harrow with tine stop therefor | — | 1980-09-02 |
| 4213506 | Drag harrow pressure adjusting device | — | 1980-07-22 |