PR

Pertti Rosenstrom

📍 Kotka, FI: #53 of 120 inventorsTop 45%
Overall (All Time): #3,991,389 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4573504 Equipment for the removal of air out of pulverulent materials — 1986-03-04