Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649440 | Method for calibration of assel rollers | Gheorghe Arnautu, Karl Hausler, Gunther Voswinckel, Karl-Helmut Wengenroth | 1997-07-22 |
| 5642638 | Process for the rolling of hallow ingots on a assel rolling mill | Ingo Baade | 1997-07-01 |