Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329808 | Method for compounding a plastic material, plastic material and plastic product | — | 2012-12-11 |
| 7976301 | Device and method for removing an oblong burr from a molded part | — | 2011-07-12 |
| 6505850 | Airbag covering cap comprising a support layer and a cover layer of different elasticities | Rudolf Helfrich, Thomas Klein, Bernhard Kress, Norbert Wolleb, Tomás Sieira +1 more | 2003-01-14 |
| 5845929 | Covering means for air-bag-collision-safety means as well as process for the production thereof | Egon Schlett, Rudolf Helfrich | 1998-12-08 |