ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,966, issued on March 25, was assigned to Weihai Mingxinde Machining Co. Ltd. (Weihai, China).
"Automobile self-locking type bumper" was invented by Lubin Chen (Weihai, China) and Xueliang Wang (Lianyungang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses an automobile self-locking type bumper, comprising a bumper body, and is characterized in that a vertical frame, a mounting frame, a connecting frame, a locking and positioning device, and a hinge portion are further provided, and the connecting frame is fixed on a front side of the mounting frame, and the vertical frame is fixed on a rear side of the bumper b...