Assignee
Inventors
- Gunter Neef (51 patents)
- Andreas Steinmeyer (19 patents)
- Gerald Kirsch (24 patents)
- Katica Schwarz (17 patents)
- Martin Haberey (39 patents)
- Ruth Thieroff-Ekerdt (18 patents)
- Petra Rach (7 patents)
US Patent 5411949 · Granted May 2, 1995