ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,022, issued on May 19, was assigned to KUKMIN ENTERPRISE Co. LTD (Ansan-si, South Korea).
"Sandwich panel" was invented by Je Sung Jung (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a sandwich panel and includes a core, and an exterior panel disposed at one side and the other side of the core respectively. The exterior panel includes a body in contact with the core, a hooking portion exhibiting elastic force toward a first direction perpendicular to one side of the body at one end of the body, and a groove portion exhibiting elastic force toward a second direction perpendicular to one side of ...