HE

Hans-Wilhelm Engels

TR The Firestone Tire & Rubber: 1 patents #15 of 58Top 30%
📍 Kerpen, DE: #1 of 7 inventorsTop 15%
Overall (1989): #108,815 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4822845 Rubber compositions modified with heterocyclic di-N-oxides Daniel F. Graves 1989-04-18