TH

Trygve Heggebo

NA Norsk Hydro Asa: 1 patents #1 of 5Top 20%
📍 Porsgrunn, NO: #1 of 3 inventorsTop 35%
Overall (1982): #19,921 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4323386 Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate Arne Conradsen 1982-04-06