Assignee
Inventors
- Hans J. Decker (5 patents)
- Hans Freund (9 patents)
- Karl-Heinz Grunthaler (6 patents)
- Helmut Heide (15 patents)
- Klaus Hollenberg (3 patents)
- Hubert Preis (3 patents)
- Karl J. Rowold (4 patents)
- Ralf G. Tschulena (3 patents)
US Patent 5374407 · Granted Dec 20, 1994