ALEXANDRIA, Va., June 16 -- United States Patent no. D1,075,485, issued on May 20, was assigned to Dongguan Huihao Intelligent Technology Co. Ltd. (Dongguan, China).
"Groove steel pulley" was invented by Xiaoyong Song (Dongguan, China).
The patent was filed on Oct. 31, 2023, under Application No. D/915,446.
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