Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7047886 | Method and apparatus for removing obstructions in the mines | Mihailo Gavrilovic, Keith Wright | 2006-05-23 |
| 6457416 | Method and apparatus for removing obstructions in mines | Mihailo Gavrilovic, Keith Wright | 2002-10-01 |
| 6145933 | Method for removing hard rock and concrete by the combination use of impact hammers and small charge blasting | John D. Watson | 2000-11-14 |
| 5803550 | Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting | John D. Watson | 1998-09-08 |