Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7093706 | Conveyor belt cleaning system | Brett E. DeVries, John H. Winkelman | 2006-08-22 |
| 6874616 | Conveyor belt cleaning system | Brett E. DeVries, John H. Winkelman | 2005-04-05 |