ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,863, issued on July 28, was assigned to HEFEI INTECENT HOUSEHOLD TECHNOLOGY Co. LTD. (Hefei, China).
"Hair washing mat" was invented by Fei Yin (Hefei, China).
The patent was filed on April 15, 2025, under Application No. D/998,584.
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