Assignee
Inventors
- Thomas Ehret (13 patents)
- Friedrich Kost (21 patents)
- Uwe Hartmann (49 patents)
- Rainer Erhardt (6 patents)
- Anton Van Zanten (48 patents)
- Gerd Busch (4 patents)
- Karl-Josef Weiss (11 patents)
- Wolf-Dieter Ruf (8 patents)
US Patent 5668724 · Granted Sep 16, 1997