Assignee
Inventors
- Jan Johannes Van Den Broek (7 patents)
- Coen Theodorus Hubertus Fransiscus Liedenbaum (39 patents)
- Andreas Hubertus Montree (17 patents)
- Arjen Boogaard (18 patents)
- Willem Reindert De Wild (7 patents)
- Johannes Huiberts (8 patents)
US Patent 6509650 · Granted Jan 21, 2003