ALEXANDRIA, Va., Jan. 29 -- United States Patent no. D1,059,563, issued on Jan. 28, was assigned to Zhongshan Katald Electrical Appliance Co. Ltd. (Guangdong, China).
"Air purifier" was invented by John Qin (Zhongshan, China).
The patent was filed on June 9, 2023, under Application No. D/894,508.
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