Assignee
Inventors
- Josef Dirmeyer (28 patents)
- Karl Holzmann (1 patents)
- August Kaser, deceased (1 patents)
- Hans Kornstadt (1 patents)
- Josef Kraus (10 patents)
- Joachim Muller (44 patents)
- Ernst-Dieter Schmidt (8 patents)
US Patent 4581596 · Granted Apr 8, 1986