Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286008 | System for inerting a casting vessel used for transporting molten metal | Hans De Haas, Klaus Ulrich, Klaus Grutzmacher, Erhard Krause, Manfred Lowenstein +3 more | 1994-02-15 |