Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505279 | Staggered spiral rasp bar segments for axial flow combines | Steven J. Campbell, Keith A. Stickley | 1985-03-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505279 | Staggered spiral rasp bar segments for axial flow combines | Steven J. Campbell, Keith A. Stickley | 1985-03-19 |