ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,215, issued on July 7, was assigned to ArcelorMittal (Luxembourg).
"Cold rolled and heat-treated steel sheet and method of manufacturing thereof" was invented by Etienne Hoffmann (Maizieres-les-Metz, France) and Veronique Hebert (Maizieres-les-Metz, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cold rolled and heat-treated steel sheet, the steel including, in weight percentage, 0.17%less than equal tocarbonless than equal to0.25%, 2%less than equal tomanganeseless than equal to3%, 0.9%less than equal tosiliconless than equal to2%, 0%less than equal toaluminumless than equal to0.09%, 0.01%less than equal tomolybdenumless than equal to0.2%, 0...