Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688170 | Rotary combine having a concentric infeed section and eccentric threshing and separating sections | Dohn W. Pfeiffer, Klaus Braunhardt, David Alden Skinner | 1997-11-18 |
| 5676598 | Beater for an agricultural machine | John William Ackley, II, Merle Ray Gerber, Helmut Arno Welke | 1997-10-14 |
| 5613907 | Lightweight concave having removable grids | — | 1997-03-25 |