RL

Ritva Laijoki-Puska

Overall (All Time): #1,577,924 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7597629 Method and arrangement for producing experiences — 2009-10-06
6319136 Method and apparatus in a space study — 2001-11-20
5407392 Winter scene room or space study — 1995-04-18