SD

Stefanus Jacobus Duyvestijn

DB Dsm Ip Assets B.V.: 3 patents #458 of 2,011Top 25%
📍 Deventer, NL: #42 of 180 inventorsTop 25%
Overall (All Time): #1,533,471 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8790762 Unsaturated polyester resin Marian Henryk Szkudlarek, Johan Franz Gradus Antonius Jansen, Silvana Rensina Antonnietta Di Silvestre 2014-07-29
8487041 Unsaturated polyester Marian Henryk Szkudlarek, Johan Franz Gradus Antonius Jansen 2013-07-16
8470926 Unsaturated polyester resin Marian Henryk Szkudlarek, Johan Franz Gradus Antonius Jansen, Silvana Rensina Antonnietta Di Silvestre 2013-06-25