EB

Earl D. Brennan

KO Koppers: 1 patents #3 of 22Top 15%
📍 Monroeville, PA: #13 of 58 inventorsTop 25%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #68,113 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4309878 Process and apparatus for separating and purifying a crystalline material 1982-01-12