Assignee
Inventors
- Dieter Zollner (23 patents)
- Friedrich Rittmann (12 patents)
- Herbert Dung (3 patents)
- Johannes Haremsa (1 patents)
- Georg Bauer (38 patents)
- Josef Otto (10 patents)
- Josef Muhlenbeck (7 patents)
- Inge Lauterbach-Dammler (16 patents)
US Patent 4442525 · Granted Apr 10, 1984