ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,289, issued on June 10, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Knob control for slim vent in vehicle" was invented by Angel R. Munoz (Rochester Hills, Mich.) and Steven J. Leathorn (Fort Gratiot, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vent assembly of a vehicle includes a bezel defining a vent opening through which an airflow is directed. A primary vane extends across the vent opening. The primary vane is selectably movable about a primary vane axis to adjust a direction of the airflow. A plurality of secondary vanes are arrayed across the vent opening. Each primary vane is selectably movable about a secondar...