Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8540465 | Tool for machining workpiece having an axially extending portion defining a reference diameter | — | 2013-09-24 |
| 5951213 | Milling cutter, particularly for copying, and cutting insert therefor | Hans Peter Durr, Wolfgang Votsch, Siegfried Bohnet | 1999-09-14 |
| 5704740 | Drilling tool, particularly for metallic materials | Sebastian Ebenhoch, Siegfried Bohnet | 1998-01-06 |