INTERNATIONAL PATENT: PARK, CHAN-WOO, 박찬우 FILES APPLICATION FOR "PERPETUAL CALENDAR"

GENEVA, Dec. 30 -- PARK, Chan-Woo (607 Ho, 1202 Dong, Gunjajugong Apt., Seonbu 1-dongDanwon-gu, Ansan-siGyeonggi-do), 박찬우 (경기도안산시 단원구선부 1동 군자주공아파트 1202동 607호) filed a patent application (PCT/KR2025/008645) for "PERPETUAL CALENDAR" on Jun 22, 2025. With publication no. WO/2025/264060, the details related to the patent application was published on Dec 26, 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): PARK, Chan-Woo (607 Ho, 12...