Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370976 | Gear shifting drum for a variable-speed gearbox | Horst Doppling, Manfred Winkler | 2002-04-16 |
| 5178474 | Split cage for rolling elements | Leo Muntnich, Hartwig Waldert | 1993-01-12 |