Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488738 | Method of producing molten metal | — | 2002-12-03 |
| 6454833 | Process for producing liquid pig iron or semifinished steel products from iron-containing materials | Johannes Schenk, Werner Kepplinger | 2002-09-24 |