ALEXANDRIA, Va., June 4 -- United States Patent no. D1,077,663, issued on June 3, was assigned to Dongguan Yu Aoran electronic Technology Co. LTD (Dongguan, China).
"Doorbell" was invented by Mang Zhang (Zaoyang, China).
The patent was filed on Jan. 2, 2025, under Application No. D/981,720.
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