Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7827843 | Device for controlling the drawing process in a transfer press | Stefan Arns | 2010-11-09 |
| 6820645 | Unlockable non-return valve for very high system pressures | Karl Cords, Dragoljub Djenadija, Helmut Etzel, Frank Hofmann, Michael Reinert +1 more | 2004-11-23 |