Assignee
Inventors
- Bernhard Firnhaber (8 patents)
- Karl Schmid (128 patents)
- Cort Starck (2 patents)
- Hans-Werner Gosch (2 patents)
- Richard Wenderoth (1 patents)
- Rolf Wetzel (8 patents)
- Wolfgang Schulte (14 patents)
US Patent 4971777 · Granted Nov 20, 1990