ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,452, issued on Aug. 12, was assigned to Korea University Research and Business Foundation (Seoul, South Korea).
"Lumbar retractor" was invented by Sang Heon Lee (Seoul, South Korea), Nack Hwan Kim (Seoul, South Korea), Chul Hwan Jang (Seoul, South Korea), Se Jun Oh (Seoul, South Korea), In Beom Kim (Seoul, South Korea) and Kyung Hee Han (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lumbar retractor according to an embodiment comprises: a first fixing part for fixing the user's lumbar regions; a second fixing part for fixing the user's pelvic regions; and a connection part disposed between the first fixing part and the second f...