Assignee
Inventors
- Martti Tuulos (9 patents)
- Kari-Matti Varanki (2 patents)
- Ove Strandberg (10 patents)
- Unknown
- Erik Salo (2 patents)
- Jussi Ruutu (34 patents)
- Pertti Paski (1 patents)
- Vilho Raisanen (13 patents)
- Kari Niemela (43 patents)
- Ari Kynaslahti (1 patents)