HW

Hakan E. Wikberg

KO Kemira Oy: 1 patents #20 of 84Top 25%
📍 Kiiminki, FI: #13 of 30 inventorsTop 45%
Overall (All Time): #3,950,016 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4737491 Wood preservative Sirkka L. Leppavuori, Lars Petander, Lauri J. Teivainen 1988-04-12