ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,360, issued on June 24, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Systems and methods for cleaning surfaces of a workpiece" was invented by Stanley Tong (Ferndale, Mich.), Jeffrey B Harris (Detroit), Brennon L White (Novi, Mich.), Adam John Campbell (Rochester, Mich.), Andrew Thomas Cunningham (Cambridge, Mass.) and Ali Shabbir (Windson, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for cleaning surfaces of a workpiece. The system includes a housing defining an enclosure, a holding structure within the enclosure that is configured to support a workpiece, a first powder removal device tha...