ALEXANDRIA, Va., June 18 -- United States Patent no. D1,078,391, issued on June 10.
"Coffee cup" was invented by Feijian Xia (Zhejiang, China), Chenhan Ouyang (Anhui, China) and Jinxiong Yan (Zhejiang, China).
The patent was filed on Oct. 20, 2023, under Application No. D/914,731.
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