Assignee
Inventors
- Steinar Bjærum (1 patents)
- Johan Kirkhorn (3 patents)
- Hans Torp (23 patents)
- Kjetil Viggen (3 patents)
- Bjorn Olstad (23 patents)
- Kjell Kristoffersen (40 patents)
- Erik Normann Steen (17 patents)
- Dagfinn Saetre (1 patents)
US Patent 6537217 · Granted Mar 25, 2003