Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11558991 | Apparatuses, methods, and systems for providing down force for an agricultural implement | Courtney N. Achen, Marvin Bachman, Rhett Schildroth, Merlan J. Rolffs, Michael J. Myers +1 more | 2023-01-24 |
| 10477753 | Apparatuses, methods, and systems for providing down force for an agricultural implement | Courtney N. Achen, Marvin Bachman, Rhett Schildroth, Merlan J. Rolffs, Michael J. Myers +1 more | 2019-11-19 |
| 10064323 | Agricultural implement with electro-hydraulic cylinders | Dustan Hahn, Merlan J. Rolffs, Courtney N. Achen, Gary Volz, Steve Nolte +2 more | 2018-09-04 |
| 9814172 | Apparatuses, methods, and systems for providing down force for an agricultural implement | Courtney N. Achen, Marvin Bachman, Rhett Schildroth, Merlan J. Rolffs, Michael J. Myers +1 more | 2017-11-14 |
| 9474201 | Seed disc with integrated drive | Matthew J. Wilhelmi, Merlan J. Rolffs, Dustan Hahn, Courtney N. Achen, Michael J. Myers +4 more | 2016-10-25 |
| 7407188 | Roll bar assembly for a vehicle | Charles Wildig, Robert Mackie, Paul Ottley, Chris Kavanagh, Nigel Toney | 2008-08-05 |