ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,621, issued on Nov. 11, was assigned to Soo Jung Wang (Gyeonggi-do, South Korea).

"Multi-push button for vacuum food storage container having vacuum valve" was invented by Soo Chang Wang (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a push button made from one selected from soft synthetic resin and soft silicone, comprising: a protruding annular rim protruding downward from the circumferential direction of the perimeter of a support part; a guide groove for the linear movement of a pressing part, which is recessed downward from a portion at which the outer circumferential end portion of the press...