Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609397 | Highwall mining system with driven conveyor units | Gordon Alexander Marshall, Henry J. Bartosiewicz | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609397 | Highwall mining system with driven conveyor units | Gordon Alexander Marshall, Henry J. Bartosiewicz | 1997-03-11 |