Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137235 | Inverted angle drill | Martin Carty | 1992-08-11 |
| D255890 | Underground crane | Ted W. Wilkes, Jr. | 1980-07-15 |
| 4202453 | Articulated mine service vehicle | Ted W. Wilkes, Jr. | 1980-05-13 |