Assignee
Inventors
- Valery Pavlyuchenko (1 patents)
- Nina Byrdina (1 patents)
- Sergey Ivanchev (1 patents)
- Mikael Skrifvars (3 patents)
- Erkki Halme (6 patents)
- Hanna Laamanen (1 patents)
- Jukka Koskinen (40 patents)
US Patent 6235810 · Granted May 22, 2001