Assignee
Inventors
- Wolfgang Beck (19 patents)
- Reinhold Braun (1 patents)
- Roland Diemer (1 patents)
- Frank Druschke (10 patents)
- Gerhard Elsner (8 patents)
- Harald Gruber (3 patents)
- Rainer Kratzert (1 patents)
- Wolfgang Schmid (148 patents)
US Patent 5980683 · Granted Nov 9, 1999