Assignee
Inventors
- Hans Pircher (14 patents)
- Rudolf Kawalla (16 patents)
- Manfred Espenhahn (8 patents)
- Brigitte Hammer (9 patents)
- Klaus Josef Peters (3 patents)
- Jürgen Schneider (71 patents)
- Carl-Dieter Wuppermann (7 patents)
US Patent 6503339 · Granted Jan 7, 2003