Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392243 | Polymer mesh with reinforcing bands for skin control in hard rock mining | — | 2025-08-19 |
| 11873717 | Polymer mesh with reinforcing bands for skin control in hard rock mining | — | 2024-01-16 |
| 11333018 | Polymer mesh with reinforcing bands for skin control in hard rock mining | — | 2022-05-17 |
| 9581022 | Free-wheeling-resistant rolls for mining roof support and the combination of a mining machine and such rolls | — | 2017-02-28 |
| 8757936 | Free-wheeling-resistant rolls for mining roof support and the combination of a mining machine and such rolls | — | 2014-06-24 |
| 5934990 | Mine stopping | Timothy J. Shean, C. Dempsey Holstein, Joseph C. Zelanko | 1999-08-10 |
| 5816750 | Automatic grid layout system | — | 1998-10-06 |