ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,595, issued on Jan. 13, was assigned to Newtech wellness Corp. (Gimhae-si, South Korea).
"High-low machine" was invented by Hyun Jung Byun (Busan, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high-low machine includes a support frame (110) mounted on a floor; a main body frame (120) connected to the support frame (110); a weight part (130) mounted to be able to rotate at one point on the main body frame (120) and on which a weight plate (131) is mounted; a rotating part (140) rotatably mounted at another point of the main body frame (120); a connecting part (150) provided to connect the weight part (130) and the rotating part (140); ...