ER

Edward P. Richards

TL The Lubrizol: 1 patents #5 of 40Top 15%
📍 Chagrin Falls, OH: #10 of 34 inventorsTop 30%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #117,773 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4879022 Ore flotation process and use of mixed hydrocarbyl dithiophosphoric acids and salts thereof Alan C. Clark, Douglas R. Shaw 1989-11-07