Assignee
Inventors
- Alexander Theil (3 patents)
- Michael Zietek (3 patents)
- Heinrich Gaul (1 patents)
- Hans-Juergen Kress (6 patents)
- Thomas Hasskerl (12 patents)
- Rudolf Blass (5 patents)
- Werner Hoess (30 patents)
US Patent 7456239 · Granted Nov 25, 2008