HL

Herman G. Van Laar

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #3,961,053 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4778007 Producing sour natural gas 1988-10-18