ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,301, issued on July 21, was assigned to WONDERLAND SWITZERLAND AG (Steinhausen, Switzerland).

"Head protection device and carrier" was invented by Xiong Yu (Dongguan, China), Qiang Yang (Dongguan, China), Bo Wu (Dongguan, China) and Meifeng Fan (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A head protection device for wrapping a shoulder belt and a length adjustment device of a carrier, the shoulder belt connected to a backrest and a seat of the carrier, and the shoulder belt wound around the length adjustment device, the length adjustment device slideable relative to the shoulder belt along a length extension direction of the shou...