Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889517 | Overlapping rasp bar rotor for axial flow combines | Eric P. J. Van Quekelberghe | 1989-12-26 |
| 4875890 | Feed plate assembly for axial flow combine | Edwin O. Margerum | 1989-10-24 |