ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,341, issued on Aug. 25, was assigned to Wonderland Switzerland AG (Steinhausen, Switzerland).

"Child safety seat and electric angle adjustment device thereof" was invented by Manqun Cheng (Steinhausen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses an electric angle adjustment device comprising a motor, a rotating member, a sliding member, and an intermediate transmission assembly. The motor is disposed on one of the seat body and the base, and an output shaft of the motor extends along a left-right direction or up-down direction of the base, such that the output shaft of the motor is arranged intersecting with th...