Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454833 | Process for producing liquid pig iron or semifinished steel products from iron-containing materials | Michael Nagl, Johannes Schenk | 2002-09-24 |
| 6416566 | Process for the production of liquid pig iron or liquid steel pre-products | Felix Wallner, Johannes Schenk, Il Ock Lee, Yong-Ha Kim, Moon Duk Park | 2002-07-09 |