Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007960 | Method for removing chromium from chromium containing waste material | Omar Baturay, James E. Shirk | 1991-04-16 |
| 4715965 | Method for separating and recovering volatilizable contaminants from soil | James E. Shirk | 1987-12-29 |