Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957068 | Liquid-cooled four-valve cylinder head for a multi-cylinder internal combustion engine | Wolf-Dietrich Wagner, Willi Springer, Helmut Bonfert, Michael Bottcher, Thomas Hardt +7 more | 1990-09-18 |