DV

Dick J. E. Vrolijk

📍 Kruisland, NL: #4 of 5 inventorsTop 80%
Overall (All Time): #3,637,173 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6162769 Lubricating oil compositions suitable for use in medium speed diesel engines Gerardus J. E. Polhaar 2000-12-19