ALEXANDRIA, Va., Aug. 25 -- United States Patent no. D1,144,662, issued on Aug. 25, was assigned to Hangzhou Huiji Technology Co. Ltd. (Hangzhou, China).

"Treadmill" was invented by Jie Zhang (Hangzhou, China), Hongjie Xu (Hangzhou, China), Xuhuo Tang (Hangzhou, China) and Chen Zhong (Hangzhou, China).

The patent was filed on May 21, 2025, under Application No. D/004,793.

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