Assignee
Inventors
- Boy Cornils (42 patents)
- Werner Konkol (19 patents)
- Hanswilhelm Bach (22 patents)
- Wilhelm Gick (14 patents)
- Ernst Wiebus (34 patents)
- Helmut Bahrmann (77 patents)
- Heinz-Dieter Hahn (2 patents)
US Patent 4808757 · Granted Feb 28, 1989