Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833153 | Rotor assembly for horizontal impact crusher | Stephen B. Ackers | 1998-11-10 |
| 5775609 | Horizontal impact crusher having hydraulic cover latch | Stephen B. Ackers, Jennifer Ackers, executor | 1998-07-07 |