GENEVA, July 29 -- LEE, Back Hun (107-1202, 51 Jangjeon-roSeowon-gu Cheongju-siChungcheongbuk-do 28636), 이백훈 (충청북도청주시 서원구장전로 51, 107동 1202호) filed a patent application (PCT/KR2024/021232) for "TOUCH-TYPE DOOR LOCK FOR VISUALLY IMPAIRED PERSON" on Dec 27, 2024. With publication no. WO/2025/154981, the details related to the patent application was published on Jul 24, 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, Back Hun (107-1202, 51 Jangjeon-roSeowon-gu Cheong...