Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782122 | Spinning roller for splitting a rotationally symmetrical workpiece | — | 1998-07-21 |
| 5718140 | Method for manufacturing a rotationally symmetrical work-piece of steel | Karl-Heinz Koestermeier, Mario Zanet | 1998-02-17 |