Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061935 | Rock bolt and an anchoring device | Steven Weaver, Darren Webb, John Horsch | 2011-11-22 |
| 7963616 | Rotary cutting pick | Steven Weaver | 2011-06-21 |
| D637880 | Drill tip | Steven Weaver | 2011-05-17 |
| 7896580 | Self drilling rock bolt | Steven Weaver, Darren Webb, John Horsch | 2011-03-01 |