ALEXANDRIA, Va., Oct. 6 -- United States Patent no. D1,151,840, issued on Oct. 6, was assigned to HANGZHOU ASWEETS CULTURAL CREATIVE Co. LTD (Hangzhou, China).
"Stepping stone" was invented by Fujian Zhao (Shaoxing, China).
The patent was filed on April 17, 2025, under Application No. D/999,898.
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