HG

Hans Groland

NA Norsk Hydro Asa: 1 patents #182 of 584Top 35%
📍 Porsgrunn, NO: #93 of 184 inventorsTop 55%
Overall (All Time): #3,987,269 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4713108 NPK complex fertilizer Olav Kjohl, Torstein Obrestad 1987-12-15