ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,508, issued on Sept. 9, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Resistance welding electrodes, methods of welding flanges therewith, and vehicles" was invented by Zhenke Teng (Troy, Mich.), John A Gerke (Ortonville, Mich.), Pei-chung Wang (Troy, Mich.), Robert W Watson (China, Mich.), Russell A Webster (Marine City, Mich.) and Jason M Brown (Goodrich, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Welding electrodes, methods, and vehicles are provided. The welding electrodes include a body that includes a weld face on a distal end of the body configured to contact a workpiece and apply an electrical current thereto. Th...