JR

Jacobus Ris

DB Duphar International Research B.V.: 1 patents #85 of 182Top 50%
📍 Olst, NL: #11 of 13 inventorsTop 85%
Overall (All Time): #3,865,515 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5171304 Flexible sealing member for injection device Hendrik A. van Schoonhoven 1992-12-15