Assignee
Inventors
- Bernd Aufdembrinke (1 patents)
- Rainer Dorow (4 patents)
- Reinhard Horowski (8 patents)
- Irmgard Suchy (1 patents)
- Gertrud Schroeder (4 patents)
- Helmut Wachtel (36 patents)
- Wolfgang Kehr (14 patents)
- Gunter Stock (4 patents)
US Patent 4711891 · Granted Dec 8, 1987