Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371731 | Highwall mining equipment retrieval and extraction apparatus and method | Ralph Whitley | 2016-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371731 | Highwall mining equipment retrieval and extraction apparatus and method | Ralph Whitley | 2016-06-21 |