PR

Pierre Rollot

US Usinor: 1 patents #1 of 3Top 35%
📍 Dunkerque, FR: #1 of 2 inventorsTop 50%
Overall (1982): #38,103 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4336925 Device for fixing and sealing stave plates for a blast furnace Jean Cordier, Raymond L. Briche 1982-06-29