ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,149,818, issued on Sept. 29, was assigned to SHENZHEN HUIKAIDA TECHNOLOGY Co. LTD (Shenzhen, China).
"Trailer hitch" was invented by He Zhang (Guangzhou, China).
The patent was filed on Nov. 19, 2025, under Application No. D/033,526.
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