Assignee
Inventors
- Erich Wisser (9 patents)
- Marcel John (4 patents)
- Bernhard Sander (7 patents)
- Hanspeter Schad (15 patents)
- Cord-Henrik Surberg (3 patents)
- Charles C. Coffin (9 patents)
- Joachim Vedder (5 patents)
- Reinhard Lins (6 patents)
US Patent 6640914 · Granted Nov 4, 2003