Assignee
Inventors
- Cornelis Gerardus Schriks (5 patents)
- Paul Dijkstra (14 patents)
- Peter Wilhelmus Maria Van De Water (6 patents)
- Roelf Anco Jacob Groenhuis (22 patents)
- Johannus Wilhelmus Weekamp (35 patents)
US Patent 7514801 · Granted Apr 7, 2009