RH

Ralph E. Henry

DI Dresser Industries: 2 patents #2 of 50Top 4%
📍 Rixford, PA: #1 of 1 inventorsTop 100%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #18,093 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4878697 Compression coupling for plastic pipe 1989-11-07
4794944 Plastic valve 1989-01-03