ALEXANDRIA, Va., June 4 -- United States Patent no. D1,077,930, issued on June 3, was assigned to Yunhe Qiyu Toys Co. Ltd. (Lishui, China).
"Educational toy" was invented by Jinjian Huang (Yunhe, China) and Xiaoli Ren (Yunhe, China).
The patent was filed on Dec. 28, 2023, under Application No. D/923,188.
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