Assignee
Inventors
- Jochem Henkelmann (123 patents)
- Irene Troetsch-Schaller (20 patents)
- Thomas Wettling (37 patents)
- Thomas-Michael Kahl (6 patents)
- Leopold Hupfer (42 patents)
- Wolfgang Franzischka (15 patents)
- Hermann Koehler (11 patents)
US Patent 5196611 · Granted Mar 23, 1993