ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,741, issued on Dec. 30, was assigned to ArcelorMittal (Luxembourg).

"Cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts" was invented by Michel Soler (Maizieres-les-Metz, France) and Xavier Garat (Homecourt, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cold rolled and annealed steel sheet includes by weight: 0.6less than equal toCless than equal to1.3%, 15.0less than equal toMnless than equal to35%, 5less than equal toAlless than equal to15%, Siless than equal to2.40%, Sless than equal to0.03%, Pless than equal to0.1%, Nless than equal to0.1%, possibly one or more optional ele...