Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4374585 | Apparatus for the direct reduction of iron ores | Gero Papst, Gunther Ropke | 1983-02-22 |
| 4248623 | Process for the direct reduction of iron ores | Gero Papst, Gunther Ropke | 1981-02-03 |
| 4222257 | Method of manufacturing rolled wire rod | Klaus Theis, Eckehard Forster, Wolfram Becher | 1980-09-16 |