Assignee
Inventors
- Petra Baierweck (12 patents)
- Doris Zeltner (7 patents)
- Brigitte Gareiss (22 patents)
- Heiner Goerrissen (7 patents)
- Karlheinz Ulmerich (7 patents)
- Klaus Muehlbach (42 patents)
- Michael Gall (20 patents)
US Patent 5405890 · Granted Apr 11, 1995