Assignee
Inventors
- Martin Himmelmann (5 patents)
- Wilfried Bartz (19 patents)
- Franz-Erich Baumann (66 patents)
- Guido Schmitz (24 patents)
- Georg Oenbrink (21 patents)
- Harald Haeger (48 patents)
- Ralf Richter (128 patents)
US Patent 6677015 · Granted Jan 13, 2004