PV

Pertti Viitaniemi

VT Valtion Teknillinen Tutkimuskeskus: 2 patents #1 of 7Top 15%
📍 Helsinki, FI: #5 of 120 inventorsTop 5%
Overall (1997): #27,495 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5685353 Method for compressive shape-drying of wood Paavo Kontinen 1997-11-11
5678324 Method for improving biodegradation resistance and dimensional stability of cellulosic products Saila Jamsa, Pentti Ek, Hannu Viitanen 1997-10-21