Assignee
Inventors
- Wilhelm Dworak (10 patents)
- Hans Aichele (2 patents)
- Wolfgang Steudel (1 patents)
- Georg Winkes (3 patents)
- Bernhard Sacha (1 patents)
- Guido Bredenfeld (6 patents)
- Olaf Klemd (15 patents)
- Werner Steprath (5 patents)
US Patent 5988222 · Granted Nov 23, 1999