Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341514 | Hole punch for high-pressure shaping tool | Bernd Engel | 2002-01-29 |
| 6341515 | High-pressure deformation of two plates into hollow workpiece | Ralf Huber, Bernd Engel | 2002-01-29 |