GENEVA, Nov. 30 -- ZHAO, Tianci (Room 308, Floor 3, Zhongxing Comprehensive Building, Dengliang Road, Nanshan DistrictShenzhen, Guangdong 518052), 赵天赐 (中国广东省深圳市南山区登良路中兴综合楼3层308) filed a patent application (PCT/CN2024/094242) for "VARIABLE-CALIBER SHEATH TUBE" on May 20, 2024. With publication no. WO/2025/241064, the details related to the patent application was published on Nov 27, 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): ABDU...