Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073018 | Self-drilling hybrid rock anchor | James William Sheppard, Adrian Berghorst | 2021-07-27 |
| 10941658 | Rock bolt assembly with failure arrestor | Paolo Ettore Pastorino, Rual Abreu | 2021-03-09 |