Assignee
Inventors
- Hans-Jurgen Haardt (2 patents)
- Hans-Peter Hemmersbach (1 patents)
- Michael Muller (14 patents)
- Hans-Ludwig Niederberger (2 patents)
- Detlef Obermann (1 patents)
- Johannes Schoofs (1 patents)
- Karl-Heinz Werle (1 patents)
US Patent 6743870 · Granted Jun 1, 2004