Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7191626 | Method for producing an inner contour with an internal arbor acting on the inside wall of a workpiece | Matthias Schulten, Manfred Walther | 2007-03-20 |
| 6494072 | Method of and device for forming a clutch gear toothing on gearwheels for change speed gears | — | 2002-12-17 |