ALEXANDRIA, Va., Oct. 6 -- United States Patent no. D1,151,753, issued on Oct. 6, was assigned to Anker Innovations Technology Co. Ltd. (Changsha, China).
"Stair climber" was invented by Yiqiao Liu (Shenzhen, China) and Jiahao Li (Shenzhen, China).
The patent was filed on Aug. 28, 2025, under Application No. D/020,373.
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