ALEXANDRIA, Va., June 4 -- United States Patent no. D1,077,448, issued on June 3, was assigned to Zhuangli Qin (Hubei, China).
"Insole" was invented by Zhuangli Qin (Xiaogan, China) and Zhengjun Lv (Yichang, China).
The patent was filed on Jan. 31, 2023, under Application No. D/870,598.
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