Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612507 | Beneficial use of energy-containing wastes | Ross P. Clark, Walter B. Grens, Oldrich Machacek | 1997-03-18 |
| 5608184 | Alternative use of military propellants as novel blasting agents | Oldrich Machacek, J. Brent Gilion | 1997-03-04 |