ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,256, issued on March 17, was assigned to FORD GLOBAL TECHNOLOGIES LLC (Dearborn, Mich.).

"Traction battery packs with mixed material tray structures" was invented by Derek Langley (Dearborn, Mich.), Vladimir Vladimirovich Bogachuk (West Bloomfield, Mich.) and Shawn Michael Morgans (Chelsea, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Exemplary traction battery pack designs are disclosed for use in electrified vehicles. An exemplary traction battery pack may include an outer enclosure assembly that may house one or more battery arrays and/or other battery internal components. The outer enclosure assembly may include a tray having a mixed ma...