Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806158 | Process of reducing fine-grained iron-containing material by means of solid carbonaceous reducing agents | Martin Hirsch, Harry Serbent | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806158 | Process of reducing fine-grained iron-containing material by means of solid carbonaceous reducing agents | Martin Hirsch, Harry Serbent | 1989-02-21 |