ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,109, issued on Oct. 21, was assigned to FORD GLOBAL TECHNOLOGIES LLC (Dearborn, Mich.).

"Vehicle vent patch systems with ultrasonic devices" was invented by Michael Robertson (West Bloomfield, Mich.), Venkatesh Krishnan (Canton, Mich.), Segundo Baldovino (Novi, Mich.), Michael Bryan VanBelle (Canton, Mich.), Aaron Bradley Johnson (Allen Park, Mich.) and Frank Aust (Nordrhein Westfalen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Vent patch systems are provided for motor vehicles. The vent patch systems may be configured for ultrasonically cleaning a vent patch of a vehicle component, thereby preserving/restoring air circulation through th...