Assignee
Inventors
- Gunter Neef (51 patents)
- Gerald Kirsch (24 patents)
- Andreas Stein-Eyer (1 patents)
- Katica Schwarz (17 patents)
- Matthias Brautigam (3 patents)
- Ruth Thieroff-Ekerdt (18 patents)
- Petra Rach (7 patents)
US Patent 5532228 · Granted Jul 2, 1996