Assignee
Inventors
- Andreas Ohm (11 patents)
- Helmut Luchtenberg (7 patents)
- Manfred Bucheler (11 patents)
- Josef Schmoll (12 patents)
- Roland Rupp (17 patents)
- Eduard Porges (2 patents)
- Takaaki Nishioka (10 patents)
US Patent 4933186 · Granted Jun 12, 1990