Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945873 | Internal combustion engine with two inlet valves per cylinder | Karl Kirchweger | 1990-08-07 |
| 4643022 | Device for observing the processes taking place in the combustion chamber of an internal combustion engine during operation | Peter Werlberger, Wolfgang Cartellieri | 1987-02-17 |
| 4294546 | Apparatus for working aligned bores | Georg W. Bonifer | 1981-10-13 |