Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230667 | Self-propelled harvesting machine | Jan Finkler, Jürgen Hofer | 2012-07-31 |
| 7721516 | Harvesting machine combination for the utilization of plant remains | — | 2010-05-25 |
| 6347594 | Narrow profile opener capable of high speed operation | Larry P. Ferguson | 2002-02-19 |
| 6253692 | Row cleaner suspension | Luc Janelle, Lyle Eugene Stephens, Detlef Juptner | 2001-07-03 |
| 6223663 | Trash cleaning structure for a furrow opening device | Lyle Eugene Stephens | 2001-05-01 |
| 6032593 | Grain drill opener with separate placement and a concave disk therefor | Lyle Eugene Stephens | 2000-03-07 |
| 5970892 | Trash cleaning structure for a furrow opening device | Lyle Eugene Stephens | 1999-10-26 |
| 5878678 | Trash cleaning structure for a furrow opening device | Lyle Eugene Stephens | 1999-03-09 |