Issued Patents All Time
Showing 1–2 of 2 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, Ludwig Meissner, Michael Bottcher, Thomas Hardt +7 more | 1990-09-18 |
| 4919371 | Sealing passage arrangement for a pipeline | Thomas Hardt, Rolf Klumpp, Wolf-Dietrich Wagner | 1990-04-24 |