HS

Howard W. Steffen

US United States Steel: 1 patents #3 of 35Top 9%
📍 Via Enrico Fermi, PA: #4 of 12 inventorsTop 35%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #57,879 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4316603 Stockline armor construction for blast furnaces — 1982-02-23