ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,727, issued on May 13, was assigned to WONDERLAND SWITZERLAND AG (Steinhausen, Switzerland).

"Child safety seat and side wing height and width adjustment mechanism therefor" was invented by Guanghui Zhao (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A child safety seat and a side wing height and width synchronous adjustment mechanism therefor. The side wing height and width synchronous adjustment mechanism includes a first guide rail extending in the width direction of a child safety seat, a second guide rail extending in the height direction of the child safety seat, a first fitting guide member in sliding-fit with the first guid...