Assignee
Inventors
- Thomas Tacke (31 patents)
- Helmfried Krause (23 patents)
- Hermanus Gerhardus Jozef Lansink Rotgerink (9 patents)
- Francis P. Daly (44 patents)
- Martin Reisinger (3 patents)
- Helmut Mangold (45 patents)
US Patent 6821922 · Granted Nov 23, 2004