ALEXANDRIA, Va., Sept. 17 -- United States Patent no. D1,093,548, issued on Sept. 16, was assigned to Shenzhen Changhe Technology Co. Ltd. (Shenzhen, China).
"Filter element" was invented by Mengyun Hu (Shenzhen, China).
The patent was filed on April 17, 2024, under Application No. D/937,790.
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