ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,479, issued on July 21, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Marine vessel propulsion machine ventilation apparatus and marine vessel propulsion machine" was invented by Norikazu Kawai (Wako, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A marine vessel propulsion machine ventilation apparatus includes a first ventilation film (31), a second ventilation film (35), and an air chamber (27). The first ventilation film (31) permits passing of a gas, prevents passing of a liquid, and has one film surface facing the outside. The second ventilation film (35) permits passing of a gas, prevents passing of a liquid, and has one film surface f...