Assignee
Inventors
- Dieter Schafer (2 patents)
- Karl Kober (3 patents)
- Volker Lasch, deceased (2 patents)
- Karl Treyz (2 patents)
- Manfred Kirn (13 patents)
- Erich Borst (8 patents)
- Gunter Schaal (12 patents)
- Kurt Metzger (8 patents)
US Patent 5175963 · Granted Jan 5, 1993