Assignee
Inventors
- Leo Kurkinen (3 patents)
- Rami Vanninen (4 patents)
- Sami Lumijärvi (1 patents)
- Kari Vasenius (1 patents)
- Kari Holopainen (24 patents)
- Reijo Hassinen (9 patents)
- Hannu Nikula (1 patents)
- Jukka Samppala (6 patents)
US Patent 7662261 · Granted Feb 16, 2010