Assignee
Inventors
- Thomas Stetzer (11 patents)
- Hans Langen (49 patents)
- Heinz-Dieter Schutz (9 patents)
- Hans-Joachim Schumann (7 patents)
- Klaus Sinzger (9 patents)
- Johannes Willsau (12 patents)
- Dirk Hubner (7 patents)
- Engelbert Wiel (1 patents)
US Patent 6228568 · Granted May 8, 2001