ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,444, issued on May 5, was assigned to HL MANDO Corp. (Pyeongtaek-si, South Korea).

"Rotation asymmetric brake drum for a drum brake of a motor vehicle" was invented by Hatem Shahin (Pfaffenhofen, Germany), Kai Braun (Friedrichsdorf, Germany) and Lothar Wagner (Simmern, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brake drum for a drum brake of a motor vehicle, the brake drum having: a ring section extending concentrically about a rotation axis; and a circular wall section extending at an angle to the rotation axis;wherein in the brake drum has at least one portion that deviates from at least one of: a) a rotation symmetric configuration of...