Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584827 | Drive mechanism for roll baler | John A. Merkey, Willis R. Campbell, Donald F. Bowden, Jr. | 1986-04-29 |
| 4462203 | Sprocket-shaped member for supporting apron tubes in roll baling machine | Stephen C. Schlotterbeck, Willis R. Campbell, John H. Freimuth | 1984-07-31 |