Assignee
Inventors
- Helmut Kaufer (4 patents)
- Maximilian Grimm (1 patents)
- Polese Angelo (1 patents)
- Bernd Staudte (2 patents)
- Detlef Struck (6 patents)
- Wolfgang Radelow (8 patents)
- Hans-Joachim Permin (1 patents)
US Patent 5373956 · Granted Dec 20, 1994