ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,155,140, issued on Oct. 20, was assigned to SHENZHEN YUNRUI IOT TECHNOLOGY Co. LTD. (Shenzhen, China).
"Trolley handle" was invented by Haicheng Luo (Shenzhen, China).
The patent was filed on Aug. 8, 2025, under Application No. D/017,155.
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