Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7900612 | Valve and cylinder head cover for crankcase ventilation of an internal combustion engine | Artur Knaus | 2011-03-08 |
| 7080636 | Oil separating device for a combustion engine | Artur Knaus | 2006-07-25 |