DS

David Ralph Stewart

Shell Oil Compny: 2 patents #60 of 337Top 20%
📍 Richmond, TX: #4 of 24 inventorsTop 20%
🗺 Texas: #331 of 4,134 inventorsTop 9%
Overall (1989): #29,285 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4886187 Plastic container with enhanced insulation — 1989-12-12
4867336 Continuous lid seam — 1989-09-19