ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,174, issued on July 15, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit) and Northwestern University (Evanston, Ill.).

"Ultrasonic pre-surface and post-surface processing for laser brazing and laser welding" was invented by Guangze Li (Novi, Mich.), Hui-ping Wang (Troy, Mich.), Michael G. Poss (Rochester Hills, Mich.), Blair E. Carlson (Ann Arbor, Mich.) and Ping Guo (Northfield, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser brazing and welding system is disclosed and includes: a laser; a first cutting tool including a first cutting tip; and a control module. The control module is configured to control the laser to laser b...