Assignee
Inventors
- Beate Hellendahl (11 patents)
- Annegret Lansky (6 patents)
- Beatrice Rendenbach-Muller (2 patents)
- Alfred Bach (12 patents)
- Liliane Unger (125 patents)
- Hans-Jurgen Teschendorf (28 patents)
- Carsten Wicke (1 patents)
US Patent 6090807 · Granted Jul 18, 2000