JD

Jan Drenthen

📍 Oosterhout, NL: #2 of 5 inventorsTop 40%
Overall (1989): #100,964 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4831884 Device for determining the flow velocity of a medium in a cylindrical conduit 1989-05-23