SS

Stephen C. Stem

Shell Oil Compny: 2 patents #60 of 337Top 20%
📍 Houston, TX: #81 of 924 inventorsTop 9%
🗺 Texas: #331 of 4,134 inventorsTop 9%
Overall (1989): #15,355 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4855529 Isomerization process with preliminary normal paraffin and mono-methyl paraffin feed capture step Wayne Errol Evans 1989-08-08
4804802 Isomerization process with recycle of mono-methyl-branched paraffins and normal paraffins Wayne Errol Evans 1989-02-14