ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,704, issued on Dec. 2, was assigned to SUNGWOO MEDITECH Co. LTD. (Seongnam-si, South Korea).
"Automatic vertically-movable foldable bed" was invented by Chung Hwa Park (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic vertically-movable foldable bed includes a body frame; a leg frame connected to one side of the body frame; a plurality of foldable legs having upper ends pivotably connected to the leg frame; an actuator connected to the upper ends of the foldable legs; a vertical movement guide provided at one side of the body frame and extending in a vertical direction; a first guide roller provided at a position o...