Assignee
Inventors
- Hermann Gruber (51 patents)
- Eberhard Arning (8 patents)
- Hans-Peter Hoffmann (11 patents)
- Alain Viquesnel (1 patents)
- Paul Zybell (3 patents)
- Dieter Margotte (28 patents)
- Keith-Allen Foster (3 patents)
US Patent 5325580 · Granted Jul 5, 1994