ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,770, issued on March 18, was assigned to Honeywell International Inc (Charlotte, N.C.).

"ECAE processing for high strength and high hardness aluminum alloys" was invented by Stephane Ferrasse (Spokane, Wash.), Frank C. Alford (Spokane Valley, Wash.), Susan D. Strothers (Mead, Wash.) and Patrick Underwood (Spokane, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high strength aluminum alloy material comprises aluminum as a primary component and at least one of magnesium and silicon as a secondary component at a concentration of at least 0.2% by weight. The material has a Brinell hardness of at least 90 BHN, a yield strength of at least 250 MP...