SB

Sietse Bousema

SB Shell Internationale Research Maatschappij B.V.: 1 patents #62 of 211Top 30%
📍 Assen, NL: #18 of 45 inventorsTop 40%
Overall (All Time): #3,898,879 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4911199 Pilot operated safety valve Pieter J. Bontenbal 1990-03-27