RS

Robert E. Sheffield

📍 Kenner, LA: #82 of 194 inventorsTop 45%
🗺 Louisiana: #5,044 of 10,876 inventorsTop 50%
Overall (All Time): #4,020,846 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4538684 Repair of shallow casing leaks in oil wells — 1985-09-03