Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462101 | Frusto-conical drum infeed and threshing region for a combine rotor | Sheldon Joseph Grywacheski, Glenn E. Pope, Jason Healy, Ryan S. Herlyn, Ryan P. Mackin +1 more | 2008-12-09 |
| 7070498 | Frusto-conical drum infeed and threshing region for a combine rotor | Sheldon Joseph Grywacheski, Glenn E. Pope, Jason Healy, Ryan S. Herlyn, Ryan P. Mackin +1 more | 2006-07-04 |
| 6921330 | Front chaffer and cleaning fan | Sheldon Joseph Grywacheski, Kenneth Ralph Clifton, Jeffrey Schlautman, Glenn E. Pope | 2005-07-26 |
| 6773343 | Front chaffer and cleaning fan | Sheldon Joseph Grywacheski, Kenneth Ralph Clifton, Jeffrey Schlautman, Glenn E. Pope | 2004-08-10 |
| 6352474 | Metering edge for axially arranged rotary separator | Merle Ray Gerber | 2002-03-05 |
| 5797793 | Residue spreading apparatus for agricultural combines | Robert A. Matousek, Dan Burke, Charles E. Volk | 1998-08-25 |