Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7703429 | Balancing shaft unit | Roland Marzy, Andreas Hölzl, Ewald Sieberer | 2010-04-27 |
| 7506628 | Balancing shaft unit and associated bearing | Roland Marzy, Ewald Sieberer | 2009-03-24 |
| 7370624 | Piston engine with integrated balance shafts | Roland Marzy, Ronald Penzinger | 2008-05-13 |