ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,709, issued on Nov. 25, was assigned to AGENCY FOR DEFENSE DEVELOPMENT (Daejeon, South Korea).
"Pop-up apparatus" was invented by Ik Hyun Bai (Daejeon, South Korea), Kyung Bo Lee (Daejeon, South Korea) and Jae Hun Yoo (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pop-up apparatus is provided. The pop-up apparatus includes a base unit arranged on a reference surface and having a hollow portion formed therein, a pop-up unit formed to surround the base unit and reciprocating with respect to the base unit, a connection unit arranged on an upper end of the pop-up unit, a holder unit connected to the pop-up unit by the connection ...