ALEXANDRIA, Va., June 5 -- United States Patent no. D1,071,458, issued on April 15, was assigned to Quanzhou Qinuo E-commerce Co. Ltd (Quanzhou, China).
"Drainboard" was invented by Guolong Zheng (Quanzhou, China).
The patent was filed on Sept. 30, 2024, under Application No. D/965,871.
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