AS

Alf Sagbraten

NA Norsk Hydro Asa: 1 patents #182 of 584Top 35%
📍 Vinstra, NO: #7 of 21 inventorsTop 35%
Overall (All Time): #3,841,291 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5078849 Crust breaker device for aluminum electrolysis cells — 1992-01-07