Assignee
Inventors
- Jurgen Kleinschroth (18 patents)
- Gerhard Satzinger (39 patents)
- Karl Mannhardt (12 patents)
- Johannes Hartenstein (38 patents)
- Hartmut Osswald (18 patents)
- Gunter Weinheimer (9 patents)
- Edgar Fritschi (24 patents)
US Patent 4762837 · Granted Aug 9, 1988