JY

Johnny Yrjans

EA Eka Nobel Ab: 1 patents #60 of 132Top 50%
Overall (All Time): #3,917,946 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4980025 Papermaking process Kjell Andersson, Pavol Barla 1990-12-25