Assignee
Inventors
- Walter Denzinger (93 patents)
- Axel Kistenmacher (19 patents)
- Johannes Perner (43 patents)
- Angelika Funhoff (15 patents)
- Birgit Potthoff-Karl (28 patents)
- Hans-Jurgen Raubenheimer (8 patents)
US Patent 5658993 · Granted Aug 19, 1997