Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5539636 | Surface blasting system | Michael J. C. Marsh, Trevor M. Hodson, Jan G. Pieterse, Annemarie Van Den Doel | 1996-07-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5539636 | Surface blasting system | Michael J. C. Marsh, Trevor M. Hodson, Jan G. Pieterse, Annemarie Van Den Doel | 1996-07-23 |