RK

Ronald Kefferstein

AR Arcelormittal: 2 patents #15 of 110Top 15%
Overall (2021): #118,607 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11041226 Coated steel strips, coated stamped products and methods Pascal Drillet, Dominique Spehner 2021-06-22
10961602 Coated steel strips, coated stamped products and methods Pascal Drillet, Dominique Spehner 2021-03-30