Assignee
No assignee recorded.
Inventors
- Norbert Fortmann (8 patents)
- Helmut Gottling (29 patents)
- Horst Janetzko (3 patents)
- Ralf Kook (4 patents)
- Hans Kruppa (2 patents)
- Gerhard Scharnowski (21 patents)
US Patent 5115889 · Granted May 26, 1992
No assignee recorded.