ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,444, issued on April 8, was assigned to HL MANDO Corp. (Pyeongtaek-si, South Korea).

"Motor-driven drum brake system and method of controlling the same" was invented by Hongmyeong Lee (Cheonan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is motor-driven drum brake system including: a motor-driven drum brake including a brake shoe inside a drum and allowing the brake shoe to be pressed on an inner surface of the drum by hydraulic pressure of a wheel cylinder or an operation of a motor to perform braking; and a controller configured to control the motor to engage the motor-driven drum brake, wherein the controller is configu...