Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810447 | Apparatus and method for continuous mining | Larry G. Offutt | 1998-09-22 |
| 5709433 | Apparatus for continuous mining | Larry G. Offutt | 1998-01-20 |
| 5667279 | Apparatus and method for continuous mining | Larry G. Offutt | 1997-09-16 |
| 4597067 | Borehole monitoring device and method | Rhea W. Bockhorst, Stephen D. Lauer | 1986-06-24 |