Assignee
Inventors
- Hans-Josef Laas (89 patents)
- Martin Brahm (32 patents)
- Jan Mazanek (50 patents)
- Hermann Kober (9 patents)
- Manfred Schonfelder (22 patents)
- Dietbert Knofel (3 patents)
- Karl-Georg Bottger (2 patents)
- Anke Reinschmidt (5 patents)
US Patent 6007619 · Granted Dec 28, 1999