Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788480 | Grate element | Bo Bentsen | 1998-08-04 |
| 5713345 | Grate element | Bo Bentsen | 1998-02-03 |
| 5595350 | Comminution device | Robert H. Holland, William J. Spess | 1997-01-21 |
| 5174747 | Grate plate | Edward L. Puschock, Shane Alesi, Robert H. Holland, George W. Bryde | 1992-12-29 |