Assignee
Inventors
- Hans Proppert (5 patents)
- Jürgen Malinka (4 patents)
- Jürgen Schulze (5 patents)
- Ulrich Sonnenborn (4 patents)
- Ulrich Zähringer (13 patents)
- Artur J. Ulmer (2 patents)
- Ernst Theodor RIETSCHEL (1 patents)
US Patent 6833451 · Granted Dec 21, 2004