ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,955, issued on Jan. 13, was assigned to ZT (Fujian) Industrial Co. Ltd. (Zhangzhou, China).

"Electric baby bouncer" was invented by Jianbo Yang (Zhangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric baby bouncer includes a base and a cradle frame. An X-axis moving plate for performing a horizontal linear reciprocating motion and an X-axis driving mechanism for driving the X-axis moving plate to move are provided in the base. A Z-axis moving plate for performing a vertical linear reciprocating motion is provided above the X-axis moving plate. A Z-axis driving mechanism for driving the Z-axis moving plate to move is provided on t...