Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802235 | Method for producing a torsional profile from a blank, and torsional profile | Dieter Friesen, Jan KRULL, Norbert Niggemeyer, Eugen Seibel | 2017-10-31 |
| 6582843 | Fuel cell system | Ralf Heuser, Lars Kaufmann | 2003-06-24 |