Assignee
Inventors
- Bernd Haller (5 patents)
- Ernst Herkner (2 patents)
- Peter E. Murray (6 patents)
- Volker Riesenberg (1 patents)
- Michael Schnatwinkel (24 patents)
- Rainer Schulze (17 patents)
- Georg Wagner (23 patents)
- Manfred Wilmes (40 patents)
US Patent 4878859 · Granted Nov 7, 1989