INTERNATIONAL PATENT: WU, YONGSHAN, 吴永珊 FILES APPLICATION FOR "FOUR-WHEEL-DRIVE ELECTRIC WHEELCHAIR WITH DOUBLET WHEELS CAPABLE OF GOING UP/DOWN STAIRS"

GENEVA, July 7 -- WU, Yongshan (Changsha Normal UniversityChangsha, Hunan 410100), 吴永珊 (中国湖南省长沙市长沙师范学院) filed a patent application (PCT/CN2023/142463) for "FOUR-WHEEL-DRIVE ELECTRIC WHEELCHAIR WITH DOUBLET WHEELS CAPABLE OF GOING UP/DOWN STAIRS" on Dec 27, 2023. With publication no. WO/2025/137949, the details related to the patent application was published on Jul 03, 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): LAN, Qinghua (Changsha Normal UniversityChangsha, Hunan 4101...