ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,423, issued on April 14, was assigned to Shenzhen Intellirocks Tech. Co. Ltd. (Shenzhen, China).
"Air purifier" was invented by Wenju Zhou (Shenzhen, China) and Wenlong Wu (Shenzhen, China).
The patent was filed on Dec. 29, 2023, under Application No. D/923,479.
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