Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231799 | Method and device for the production of a workpiece with internal toothing, in particular a hollow wheel | Fritz Bley, Manfred Kammerer, Klaus Siegert | 2007-06-19 |
| 7059165 | Hydromechanical closing device, in particular for lateral extrusion | Klaus Siegert, Manfred Kammerer | 2006-06-13 |