Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197929 | Drive shaft | Waldemar Bier, Hermann Sonnleitner, Karl Kuhner, Albrecht Lommel | 1993-03-30 |
| 5152724 | Liquid-cooled multi-disc brake | Waldemar Bier, Hermann Sonnleitner, Karl Kuhner, Albrecht Lommel | 1992-10-06 |