GENEVA, Nov. 4 -- LEE, Sang Choon (106/901, 995, Dalgubeol-daero, Dalseo-guDaegu 42602), 이상춘 (대구광역시달서구달구벌대로 995, 106/901) filed a patent application (PCT/KR2024/007166) for "SELF-DOOR SECURITY DEVICE" on May 27, 2024. With publication no. WO/2025/225774, the details related to the patent application was published on Oct 30, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): LEE, Sang Choon (106/901, 995, Dalgubeol-daero, Dalseo-guDaegu 42602), 이상춘 (대구...