ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,888, issued on Aug. 4, was assigned to Shenzhen Chenbei Technology Co. Ltd. (Shenzhen, China).
"Air filter" was invented by Houmei Teng (Shenzhen, China) and Weiyu Zheng (Shenzhen, China).
The patent was filed on Dec. 2, 2025, under Application No. D/035,730.
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