Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688170 | Rotary combine having a concentric infeed section and eccentric threshing and separating sections | Dohn W. Pfeiffer, David Alden Skinner, Philip Alan Harden | 1997-11-18 |