ALEXANDRIA, Va., July 30 -- United States Patent no. D1,085,669, issued on July 29, 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/870,596.
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