ALEXANDRIA, Va., July 15 -- United States Patent no. D1,131,639, issued on June 23, was assigned to Hangzhou Yinghua Handicraft Co. LTD (Zhejiang Province, China).
"File rack" was invented by Xiuzhen Wang (Hangzhou, China).
The patent was filed on Aug. 16, 2024, under Application No. D/957,876.
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