RB

Randal J. Bernhardt

ST Stepan: 1 patents #1 of 4Top 25%
📍 Antioch, IL: #4 of 14 inventorsTop 30%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #68,098 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4857305 N-phenylphthalisoimides as ultraviolet radiation absorbers William J. Ferrell 1989-08-15