DY

Durk Ykema

EN Engelhard: 1 patents #271 of 518Top 55%
📍 De Meern, NL: #25 of 47 inventorsTop 55%
Overall (All Time): #3,352,108 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7351393 Star shaped alumina extrudates and catalyst based thereon Cornelis Roeland Bayense 2008-04-01