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)
- Karsten Wicke (32 patents)
US Patent 5958923 · Granted Sep 28, 1999