Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566394 | Integrated coal cleaning process | Donald C. Borio, Richard W. Borio, Arun Mehta, Arnold L. Tyler | 1986-01-28 |
| 4552077 | Integrated coal cleaning process | Donald C. Borio, Richard W. Borio, Arun Mehta, Arnold L. Tyler | 1985-11-12 |