Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569377 | Plant for the direct reduction of particulate iron-oxide-containing material | Siegfried Zeller, Johann Reidetschlager, Leopold Werner Kepplinger, Johann Zirngast, Johannes Schenk +1 more | 2003-05-27 |