Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336954 | Process and plant for the direct reduction of particulate iron-oxide-containing material | Siegfried Zeller, Konstantin Milionis, Leopold Werner Kepplinger, Johann Zirngast, Johannes Schenk +1 more | 2002-01-08 |