INTERNATIONAL PATENT: ZHANG, TENGFA, 张腾发 FILES APPLICATION FOR "DOUBLE-LAYER CURTAIN"

GENEVA, Feb. 22 -- ZHANG, Tengfa (Room 502, Yimei Building 6, Yimei Street, Shiqi DistrictZhongshan, Guangdong 528400), 张腾发 (中国广东省中山市石岐区第一城怡美街怡美6幢502房) filed a patent application (PCT/CN2025/112498) for "DOUBLE-LAYER CURTAIN" on Aug 04, 2025. With publication no. WO/2026/037142, the details related to the patent application was published on Feb 19, 2026.

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): ZHANG, Tengfa (Room 502, Yimei ...