Assignee
Inventors
- Wassilios Grammenos (140 patents)
- Albrecht Harreus (103 patents)
- Hubert Sauter (305 patents)
- Beate Hellendahl (11 patents)
- Reinhard Doetzer (15 patents)
- Eberhard Ammermann (454 patents)
- Gisela Lorenz (377 patents)
US Patent 5254717 · Granted Oct 19, 1993