ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,377, issued on July 21.
"Smart shell" was invented by Jong Tae Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an embodiment of the present invention, a smart shell mounted on a gun barrel having a rifle formed on an inner circumference, and formed to hit a military target area by using a plurality of scattering pieces includes: a warhead part having the scattering pieces embedded therein; a cover part having one or more grooves provided on an outer circumference and coupled to cover the warhead part, and separated from the warhead part by a difference in rotational speed relative to the warhead part when close t...