Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4408380 | Method for making connecting rods for internal combustion engines | Siegfried Schaper, Anton Wimmer | 1983-10-11 |
| 4270356 | Turbocharged engine and method of operating same | Heinz-Dieter Will, Hans-Werner Polzl | 1981-06-02 |
| 4207742 | Engine with shuntable turbocharger | Alfre Hartl, Hans-Werner Polzl | 1980-06-17 |