RG

Robert Winston van de Graaf

AN Akzo Nobel N.V.: 2 patents #357 of 1,625Top 25%
📍 Arnhem, NL: #89 of 333 inventorsTop 30%
Overall (All Time): #2,255,299 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5992997 Ophthalmic lenses Hans Kuiper 1999-11-30
5663279 Ophthalmic lenses Hans Kuiper, Mieke Ruisch-Mocking 1997-09-02