ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,148,820, issued on Sept. 22, was assigned to YIWU SUNMETA TECHNOLOGY Co. LTD (Yiwu, China).
"Cup baking machine" was invented by Yanhong Chen (Jinhua, China).
The patent was filed on March 27, 2025, under Application No. D/995,596.
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