Assignee
Inventors
- Jari Ratilainen (7 patents)
- Anu Moilanen (3 patents)
- Olli Törmäkangas (13 patents)
- Arja Karjalainen (19 patents)
- Paavo Huhtala (6 patents)
- Gerd Wohlfahrt (17 patents)
- Pekka Kallio (1 patents)
US Patent 7390923 · Granted Jun 24, 2008