AH

Aarno Hayha

KO Kemira Oy: 1 patents #20 of 84Top 25%
📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #3,955,334 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4756896 Method of preparing silicon — 1988-07-12