Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Vincent Hervais Societe Chimique Des Charbonnages S.A. 1
1 Hert Marius Societe Chimique Des Charbonnages S.A. 1
1 Marius Hert Elf Atochem S.A. 1