Assignee
Inventors
- Liliane Unger (125 patents)
- Manfred Raschack (39 patents)
- Verena Baldinger (6 patents)
- Ferdinand Dengel (2 patents)
- Oskar Ehrmann (3 patents)
- Hans-Jörg Treiber (27 patents)
- Werner Seitz (31 patents)
US Patent 4968717 · Granted Nov 6, 1990