FF

Freerk J. Fontein

SB Stamicarbon B.V.: 2 patents #111 of 427Top 30%
📍 Heerlen, NL: #40 of 168 inventorsTop 25%
Overall (All Time): #2,372,906 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4202762 Process and device for the aeration of waste water Hubertus F. Jennekens 1980-05-13
4189384 Gas treatment of liquid Hubertus F. Jennekens 1980-02-19