Assignee
Inventors
- Walter Denzinger (93 patents)
- Heinrich Hartmann (149 patents)
- Birgit Potthoff-Karl (28 patents)
- Karl-Heinz Buechner (10 patents)
- Marc Heider (21 patents)
- Hans-Juergen Raubenheimer (25 patents)
US Patent 5747619 · Granted May 5, 1998