Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899016 | Master cylinder | Andre Gemeinhardt, Ralf Koberstein, Klaus Krappmann | 2005-05-31 |
| 6854271 | Hydraulic actuation device in motor vehicles | Ralf Koberstein, Klaus Krappmann | 2005-02-15 |