GENEVA, April 5 -- XSTO (GUANGZHOU) CO., LTD. (15th Floor, No.49, Ruiji Second Street, Huangpu DistrictGuangzhou, Guangdong 510700), 小神童创新科技（广州）有限公司 (中国广东省广州市黄埔区瑞吉二街49号15层) filed a patent application (PCT/CN2025/129567) for "STAIR-CLIMBING CART" on Oct 23, 2025. With publication no. WO/2026/067877, the details related to the patent application was published on Apr 02, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual...