Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962300 | Stationary cone over tub | — | 2005-11-08 |
| 6786439 | Retractable rod screens | — | 2004-09-07 |
| 6783090 | Bearing shear block | — | 2004-08-31 |
| 6045072 | Slotted hammermill hammer | — | 2000-04-04 |
| 6006921 | Transportable trommel assembly | — | 1999-12-28 |
| 5720440 | Cover rotating drum grinding machine | Carl Bonner | 1998-02-24 |
| 5590842 | Conveyor with extending shroud | — | 1997-01-07 |
| 4997135 | Grinding apparatus | — | 1991-03-05 |