Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669955 | Process for producing pig iron from iron ores, and applicance for the thermal and/or chemical treatment of a readily disintegrating material or for producing pig iron by means of said process | Bogdan Vuletic, Bojan Vuletic | 1997-09-23 |