ALEXANDRIA, Va., June 4 -- United States Patent no. D1,077,569, issued on June 3, was assigned to HuiZhou LiuFang Bottle Co. Ltd (Huizhou, China).
"Electric mug" was invented by Guo Peng (Huizhou, China).
The patent was filed on Jan. 26, 2024, under Application No. D/925,895.
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