ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,862, issued on July 28, was assigned to NINGBO RYACA ELECTRICAL Co. LTD. (Ningbo, China).

"Hair dryer" was invented by Tao Jiang (Ningbo, China).

The patent was filed on April 30, 2025, under Application No. D/001,797.

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