Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310249 | Method and apparatus for automatically controlling a mining machine | David B. Sugden, John Barrie Turner, Thomas M. Hartman, Gerald L. Dollinger, John Greer Moore | 1994-05-10 |