Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648942 | Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus | Glenn E. Hoffman | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648942 | Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus | Glenn E. Hoffman | 2003-11-18 |