RJ

Robert L. Jenkins

UN Unknown: 1 patents #145 of 1,640Top 9%
📍 Girard, PA: #1 of 4 inventorsTop 25%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #17,120 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4838354 Down hole oil field clean-out method 1989-06-13
4817725 Oil field cable abrading system 1989-04-04