Assignee
Inventors
- Thomas Staltmayer (5 patents)
- Engelbert Hirschvogel (8 patents)
- Gunther Schwanitz (5 patents)
- Martin Danzl (8 patents)
- Robert Werner (5 patents)
- Siegfried Betz (1 patents)
- Erik Hilfrich (17 patents)
US Patent 6309013 · Granted Oct 30, 2001