Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249750 | Traversing roll breaker apparatus | James D. Fraser, Patrick W. Ryan, Randall S. Shinn | 1993-10-05 |
| 4807820 | Segmental shell for a coal crusher roll | — | 1989-02-28 |
| 4617709 | Segmental shell for a coal crusher roll including specialized removal means | — | 1986-10-21 |