Assignee
No assignee recorded.
Inventors
- Juhani Vuorenmaa (12 patents)
- Markku Virkki (4 patents)
- Unknown
- Marko Lauraeus (8 patents)
- Unknown
- Juha Apajalahti (9 patents)
- Paivi Nurminen (3 patents)
US Patent 6387420 · Granted May 14, 2002
No assignee recorded.