ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,365, issued on Sept. 8.
"Levitation object capable of adjusting levitating height" was invented by Sung Ho Wang (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a levitating object, and in particular a storage unit is formed such that the levitation height of the levitating object can be adjusted by adjusting the weight of a balance weight placed in the storage unit and the levitation force of the levitating object. To achieve the purpose, the levitating object according to the present invention comprises a gas container having a sealed structure such that it can be filled with a levitation ga...