ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,591, issued on March 18, was assigned to Yong Hyun Roh (Yangju-si, South Korea).

"Exercise equipment" was invented by Yong Hyun Roh (Yangju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to exercise equipment and, more specifically, to exercise equipment which can be utilized in a space that is not large while preventing noise between floors indoors and forms elastic waves in the waving direction of a user so that an exercise effect which is the same as that of battle ropes can be provided to the body of the user, the exercise equipment comprising: an elastic plate made from an elastic material of a pre...