Assignee
Inventors
- Bertram Ostermayer (6 patents)
- Ehrenfried Baumgartner (12 patents)
- Rainer Bueschl (11 patents)
- Hermann Brandt (5 patents)
- Klaus Boehlke (18 patents)
- Erhard Seiler (43 patents)
- Graham E. McKee (47 patents)
US Patent 4948832 · Granted Aug 14, 1990