ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,454, issued on July 28, was assigned to Yunhe Shengyi children's products Co. Ltd (Lishui, China).

"Toy car set" was invented by Jinjian Huang (Yunhe, China).

The patent was filed on Nov. 1, 2024, under Application No. D/971,324.

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