Assignee
Inventors
- Michael Ketting (16 patents)
- Holger Humbek (2 patents)
- Thorsten Slowak (1 patents)
- Frank Heyer (1 patents)
- Harald Becker (6 patents)
- Matthias Stauch (1 patents)
- Frank Frohner (2 patents)
- Heiko Holzapfel (1 patents)
US Patent 5803558 · Granted Sep 8, 1998