ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,501,988, issued on Dec. 23, was assigned to YONWOO Co. LTD. (Incheon, South Korea).
"Substance container" was invented by Soo Hwan Kim (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A container includes: a first container part for storing a given content therein; a second container part having couplers disposed on a top thereof in such a way as to surroundingly fix the outer peripheral surface of the first container part thereto; and a locking part rotatably coupled to the couplers in such a way as to surround the outer peripheral surfaces of the couplers, wherein each coupler has a pressurizer bent inward therefrom, if the locking...