ALEXANDRIA, Va., Dec. 16 -- United States Patent no. D1,106,424, issued on Dec. 16, was assigned to Ningbo Refine Industry Technology Co. LTD (Ningbo, China).
"Axial flow fan" was invented by Rui Zhou (Ningbo, China) and Yong Liao (Ningbo, China).
The patent was filed on Dec. 30, 2023, under Application No. D/923,676.
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