ALEXANDRIA, Va., Aug. 26 -- United States Patent no. D1,090,879, issued on Aug. 26, was assigned to Dongguan Chenxun Electronics Co. Ltd. (Dongguan, China).
"Hand warmer" was invented by Yi Duan (Dongguan, China).
The patent was filed on Jan. 4, 2025, under Application No. D/982,132.
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