HJ

Hendrik Cornelis de Jager

📍 Nieuwerkerk, NL: #2 of 3 inventorsTop 70%
Overall (All Time): #2,994,041 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9303222 Environmentally improved motor fuels Hans Keuken 2016-04-05