Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984093 | Shaft tool with fixedly disposed winglike inserts | Bertram Hentschel, Ralf Wagner, Detlev Gantner | 2006-01-10 |
| 6564852 | Method and device for directly producing an investment casting mold for casting made of metal | Florian Wendt, Norbert Demarczyk | 2003-05-20 |