ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,018, issued on Feb. 18, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Bed" was invented by Deukwon Lee (Seoul, South Korea), Minkyu Oh (Seoul, South Korea), Yongnam Kim (Seoul, South Korea), Daewoong Kim (Seoul, South Korea), Seongwoo An (Seoul, South Korea), Yanghwan No (Seoul, South Korea) and Hojae Jung (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bed according to an embodiment may include a topper, at least one firmness adjuster provided under the topper, and a bedframe configured to have an adjustable position and to support the firmness adjuster. There may be a plurality of firmness adjusters corresponding ...