Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920898 | High-pressure valve | Rolf Lappan, Martin Nowak, Dirk Hunkel | 2005-07-26 |
| 6840502 | Flap valve for fuel aggregates | Peter Haushaelter, Rolf Lappan, Martin Nowak | 2005-01-11 |