ALEXANDRIA, Va., Feb. 24 -- United States Patent no. D1,114,977, issued on Feb. 24, was assigned to SHENZHEN PUREMATE TECHNOLOGY Co. LTD. (Shenzhen, China).
"Filter for air purifier" was invented by Fangsheng Yan (Shenzhen, China) and Shengbin Wen (Shenzhen, China).
The patent was filed on Feb. 22, 2024, under Application No. D/929,581.
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