Assignee
Inventors
- Norbertus Josephus Martinus Van Den Nieuwelaar (14 patents)
- Johannes Onvlee (43 patents)
- Roel Boumen (3 patents)
- Henricus Petrus Van Lierop (2 patents)
- Robert Dumont (10 patents)
- Jacobus Rooda (2 patents)
US Patent 7184849 · Granted Feb 27, 2007