Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007009 | Bowl assembly for cone crusher | James A. Sheridan | 1999-12-28 |
| 5870813 | Hydraulic spring crusher | David W. Ambrose | 1999-02-16 |
| 5649669 | Hydraulic spring crusher | David W. Ambrose | 1997-07-22 |