Assignee
Inventors
- Matthias Kiefer (12 patents)
- Wolfgang Siegel (122 patents)
- Jörg Therre (13 patents)
- Melanie Pahl (4 patents)
- Werner Aquila (21 patents)
- Ulrich Schafer-Luderssen (5 patents)
- Udo Rheude (25 patents)
US Patent 5998680 · Granted Dec 7, 1999