Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980563 | Flat gasket | Oliver Hegmann, Thomas Stöckel | 2011-07-19 |
| 7913386 | Method of manufacturing a flat gasket | Ulrich Werz, Tobias Gruhler, Peter Schenk, Wolfgang Fritz, Willi Brodbeck | 2011-03-29 |