Assignee
Inventors
- Klaus-Dieter Gramatke (1 patents)
- Ferdinand Lutz (5 patents)
- Klaus Keske (1 patents)
- Berthold Schaub (1 patents)
- Franz Schmaderer (1 patents)
- Gunar Baier (9 patents)
- Bjoern Matthias (9 patents)
US Patent 5954171 · Granted Sep 21, 1999