ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,441, issued on July 28, was assigned to Hebei Zhaoshi Intelligent Technology Co. Ltd. (Xingtai, China).

"Swing car" was invented by Mingjia Zhao (Xingtai, China).

The patent was filed on May 28, 2025, under Application No. D/005,687.

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