ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,007, issued on June 17.
"Exercise method and device for adjusting an elastic resistance strength of an elastic body that is used in exercise or rehabilitation" was invented by Eun Bee Kim (Chuncheonsi, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and device for adjusting an elastic strength of an elastic body that is used in exercise or rehabilitation comprising a first elastic body provided in shape having one end and the other end; a second elastic body provided to be separated from the first elastic body; a first length adjusting device wherein a part of the first elastic body and a part of the second elastic body is provid...