Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723391 | Method for producing cutting tools | Volker Derflinger | 2004-04-20 |
| 6241431 | Process for the protective coating of machining tools and tool sets | Volker Derflinger, Christian Wohlrab | 2001-06-05 |