KS

Klaas Spaargaren

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Overall (All Time): #2,349,736 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4611489 U-shaped capacitor level gauge Adrianus C. W. Leyen 1986-09-16
4553434 Capacitive level gauge 1985-11-19