Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877192 | Rotary impact crusher main wear tip | Jan H. Rossouw | 1989-10-31 |
| 4844364 | Rotary impact crusher | Jan H. Rossouw | 1989-07-04 |
| 4844365 | Rotary impact crusher | Jan H. Rossouw | 1989-07-04 |