Assignee
Inventors
- Franz Rieger (41 patents)
- Thomas Ludwig (7 patents)
- Hans Schlembach (13 patents)
- Gottlob Haag (23 patents)
- Ulrich Brenner (5 patents)
- Michael Huebel (33 patents)
- Juergen Stein (21 patents)
- Udo Sieber (39 patents)
US Patent 6766968 · Granted Jul 27, 2004