Assignee
No assignee recorded.
Inventors
- Jan Bernard Frederik Nicolaas Engberts (3 patents)
- Anno Wagenaar (2 patents)
- Dirk Hoekstra (3 patents)
- Irene Van Der Woude (2 patents)
- Marcel Ruiters (3 patents)
US Patent 6726894 · Granted Apr 27, 2004
No assignee recorded.