Assignee
Inventors
- Rudolf Andres (32 patents)
- Armin Staehle (2 patents)
- Reinhold Mickeler (10 patents)
- Volker Petri (19 patents)
- Helmut Grickscheit (2 patents)
- Benno Forstner (1 patents)
- Dieter Freerichs (1 patents)
US Patent 5604407 · Granted Feb 18, 1997