Assignee
Inventors
- Herbert Roeckel (3 patents)
- Erhard Renninger (17 patents)
- Hans Hecht (48 patents)
- Gerhard Hueftle (24 patents)
- Manfred Strohrmann (11 patents)
- Rainer Schard (4 patents)
- Roland Wanja (13 patents)
US Patent 6820479 · Granted Nov 23, 2004