Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740765 | Rotary piston internal combustion engine | Peter Rönnberg | 1998-04-21 |
| 5569027 | Lobed rotor machine | Peter Rönnberg, Peter Pelz | 1996-10-29 |
| 5431448 | Three-point safety belt system for motor vehicles | Josef Haberl, Hans Kraft, Wolfgang Kleemann | 1995-07-11 |
| 5301645 | Vehicle drive assembly with auxiliary engine | Reinhold Ficht | 1994-04-12 |
| 5271655 | Window which can be fastened in a folding top by means of a zipper, and a process for exchanging a surface section | Heinz Schonenbach, Ludwig Bolte, Michael Stahmer, Horst Karl | 1993-12-21 |
| 4676524 | Motor vehicle with an open body | Heinz Stelzer, Fritz Ritzl, Hermann Siebold, Peter Hens, Edmund Hautmann | 1987-06-30 |