ALEXANDRIA, Va., Sept. 17 -- United States Patent no. D1,093,554, issued on Sept. 16, was assigned to YUYAO JOYS ELECTRICAL APPLIANCE Co. LTD. (Ningbo, China).
"Hot air brush" was invented by Hai Dong (Ningbo, China).
The patent was filed on Oct. 25, 2024, under Application No. D/970,042.
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