ALEXANDRIA, Va., Aug. 18 -- United States Patent no. D1,142,707, issued on Aug. 18, was assigned to Shanxi Yifa Network Technology Co. Ltd (Taiyuan, China).
"Pilates ring" was invented by Dechang Zhao (Leqing, China).
The patent was filed on July 30, 2025, under Application No. D/015,602.
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