AK

Alfred L. Van Kleef

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
📍 The Hague, NL: #424 of 926 inventorsTop 50%
Overall (All Time): #3,993,017 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4579629 Apparatus for fractional distillation under vacuum Dirk Kanbier 1986-04-01