ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,569, issued on March 4.
"Floating type aquatic support apparatus" was invented by Su Hwan Kim (Changwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a floating-type on-water support apparatus comprising: a ball in which a guide groove is formed along a circumferential surface thereof; a floating unit including a floating part which floats on water and supports the ball so that the ball is rotatable; and a support rod of which one end is exposed above the water so that a structure is installable thereon and the other end is heavier than the one end so that the support rod stands vertically and which passes through the ci...