ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,822, issued on Dec. 30, was assigned to WINNERS GROUP INDUSTRIES COMPANY Ltd. (Guangxi Zhuang Autonomous Region, China).

"Artificial christmas tree" was invented by Junhao Cai (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses an artificial Christmas tree, including: a base, a tree body unit and a wireless energizing unit; wherein, the tree body unit is installed on the base and extends upwards, the wireless energizing unit is provided on the tree body unit and includes a power cable, at least one wireless transmitting module and at least one wireless receiving module, the power cable is electrically co...