Assignee
Inventors
- Manfred Lehmann (13 patents)
- Unknown
- Peter Strehlke (14 patents)
- Nikolaus Heinrich (15 patents)
- Karl-Heinrich Fritzemeier (32 patents)
- Rolf Krattenmacher (10 patents)
- Hans-Peter Muhn (15 patents)
US Patent 6245804 · Granted Jun 12, 2001