Assignee
Inventors
- Jochem Henkelmann (123 patents)
- Thomas-Michael Kahl (6 patents)
- Irene Troetsch-Schaller (20 patents)
- Leopold Hupfer (42 patents)
- Wolfgang Franzischka (15 patents)
- Wolfgang Schwarz (56 patents)
US Patent 5200163 · Granted Apr 6, 1993