Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308606 | Hydraulic supply system for a hydraulically-actuated automatic transmission | Eric Muller, Marco Grethel, Hanjo Nissen | 2012-11-13 |
| 7918245 | Hydraulic pressure reservoir | Martin Staudinger, Marco Grethel, Felix Dreher | 2011-04-05 |
| 7360359 | Hydraulic system having an emergency release mechanism for a clutch having servo-assisted pedal actuation | Marco Grethel | 2008-04-22 |