Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948440 | Emulsion blasting agent preparation system | John R. Chiles, William Brian Evans, Ralph H. Derry | 1990-08-14 |
| 4829902 | Method for charging flowable explosives into upwardly extending boreholes | Kenneth R. Sharpe, Melvin A. McNicol, Joseph P. Couture | 1989-05-16 |
| 4461660 | Bulk manufacture of emulsion explosives | Rejean Binet, Anthony C. F. Edmonds, Melvin A. McNicol | 1984-07-24 |
| 4199262 | Bulk explosive mixing and delivery apparatus | Robert J. Roach | 1980-04-22 |