Assignee
Inventors
- Petra Brandt (5 patents)
- Eberhard Esselborn (35 patents)
- Hans-Leo Karminski (3 patents)
- Arno Knebelkamp (11 patents)
- Christian Psiorz (9 patents)
- Stefan Silber (54 patents)
- Ellen Wallhorn (5 patents)
US Patent 6235813 · Granted May 22, 2001