Assignee
Inventors
- Klaus Berg (18 patents)
- Gerhard Fennhoff (31 patents)
- Ralf Pakull (16 patents)
- Hans-Josef Buysch (186 patents)
- Bernhard Wehrle (2 patents)
- Alfred Eitel (18 patents)
- Claus Wulff (48 patents)
- Jurgen Kirsch (34 patents)
US Patent 5780690 · Granted Jul 14, 1998