Assignee
Inventors
- Herbert Arnold (20 patents)
- Walter Bosch (3 patents)
- Michael Horbelt (26 patents)
- Wolfgang Maisch (37 patents)
- Hermann Nusser (16 patents)
- Klaus-Jurgen Peters (24 patents)
- Peter Werner (37 patents)
- Clemens Willke (6 patents)
US Patent 4693111 · Granted Sep 15, 1987