Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Ronald Kefferstein

UNUnisor: 1 patents #1 of 2Top 50%
Marignane, FR: #1 of 2 inventorsTop 50%
Overall (2003): #130,209 of 273,478Top 50%
1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6564604 Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coated Xavier Jartoux 2003-05-20