HK

Herbert Jan Koelman

📍 Bussum, NL: #24 of 84 inventorsTop 30%
Overall (All Time): #2,041,022 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9216804 Pod drive comprising a reduction gearing Markus Van Der Laan, Walter Arnold van Gruijthuijsen, Jan Verhaar, Dirk Johannes de Blaeij 2015-12-22
6731280 Method and device for designing surfaces with a free form 2004-05-04