Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597248 | Method of operating a roll baler | Willis R. Campbell | 1986-07-01 |
| 4584827 | Drive mechanism for roll baler | Francis L. Uhland, Jr., Willis R. Campbell, Donald F. Bowden, Jr. | 1986-04-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597248 | Method of operating a roll baler | Willis R. Campbell | 1986-07-01 |
| 4584827 | Drive mechanism for roll baler | Francis L. Uhland, Jr., Willis R. Campbell, Donald F. Bowden, Jr. | 1986-04-29 |