Assignee
No assignee recorded.
Inventors
- Jochen Mannhart (21 patents)
- Hartmut Bielefeldt (5 patents)
- Unknown
- Johannes Wilhelmus Maria Hilgenkamp (4 patents)
- Andreas Schmehl (5 patents)
- Unknown
- Robert Schulz (10 patents)
US Patent 6573220 · Granted Jun 3, 2003
No assignee recorded.