Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829902 | Method for charging flowable explosives into upwardly extending boreholes | Kenneth R. Sharpe, William E. Cribb, Melvin A. McNicol | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829902 | Method for charging flowable explosives into upwardly extending boreholes | Kenneth R. Sharpe, William E. Cribb, Melvin A. McNicol | 1989-05-16 |