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Hendrik Dolfsma

📍 Nieuwegein, NL: #1 of 3 inventorsTop 35%
Overall (1982): #60,102 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4345203 Device for measuring the lubrication of surfaces rolling or sliding relative to each other and lubricated with a lubricant Karel N. Vermeiren, Rutgerus S. Heemskerk 1982-08-17