ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,430, issued on Oct. 28, was assigned to TJ(fujian) Industrial Co. Ltd. (Zhangzhou, China).
"Multifunctional crib" was invented by Jianbo Yang (Zhangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multifunctional crib includes a left support mechanism and a right support mechanism. Each support mechanism includes a support base, a support tube, an inner sleeve, a left housing, a right housing and a connecting rod. The support tube is provided on a top portion of the support base. The inner sleeve is provided in the support tube. The left housing is provided on a top portion of the inner sleeve. The right housing is provided at a right si...