Assignee
Inventors
- Willem M. Van Alphen (11 patents)
- Daniel Den Engelsen (7 patents)
- Mark N. Jonkhof (1 patents)
- Michiel Harjon Wassink (3 patents)
- Ronald Van Der Wilk (32 patents)
- Antonius H. J. Willems (1 patents)
US Patent 6441547 · Granted Aug 27, 2002