RK

Ronald Kefferstein

AF Arcelormittal France: 1 patents #1 of 14Top 8%
📍 Marignane, FR: #1 of 3 inventorsTop 35%
Overall (2011): #180,978 of 364,097Top 50%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8066829 Process for manufacturing stamped products, and stamped products prepared from the same Dominique Spehner, Pascal Drillet 2011-11-29