Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966269 | Clutch disc having a hub disc and a sintered steel hub blank and a method of producing the clutch disc | Harald Raab, Manfred Klein, Karlheinz Hofmann, Gerhard Bittenbring | 1990-10-30 |
| 4751990 | Multi-disc clutch unit, particularly for heavy-duty motor vehicles | Alfred Schraut, Peter Janda, Dieter Howorka, Werner Fricke, Winfried Sturmer +1 more | 1988-06-21 |