DS

Dirk Smorenberg

📍 Berkel en Rodenrijs, NL: #33 of 72 inventorsTop 50%
Overall (All Time): #4,097,495 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4291712 Cigarette filter and filter cigarette Hendrikus J. Koster, Johannes T. J. Bik, Johannes G. Clardey 1981-09-29