Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836998 | Production of partially calcined carbonaceous reductant using steam | Raouf O. Loutfy | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836998 | Production of partially calcined carbonaceous reductant using steam | Raouf O. Loutfy | 1989-06-06 |