ALEXANDRIA, Va., March 24 -- United States Patent no. D1,120,477, issued on March 24, was assigned to SHENZHEN YANGWO ELECTRONIC Co. LTD. (Shenzhen, China).
"Hair straightener" was invented by Dejin Duan (Shenzhen, China).
The patent was filed on Jan. 10, 2024, under Application No. D/907,917.
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