ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,261, issued on Dec. 2, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Guangdong, China).

"Card socket apparatus and electronic device" was invented by Shaoru Fu (Dongguan, China) and Zhen Liu (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a card socket apparatus and an electronic device, and relates to the technical field of communication devices. The card socket apparatus includes a mainboard, a mainboard upper cover, a support, a first flexible circuit board, and a second flexible circuit board. The mainboard is provided with a first opening, and the mainboard upper cover and the support are separate...