ALEXANDRIA, Va., Nov. 18 -- United States Patent no. D1,102,229, issued on Nov. 18, was assigned to WELLFINE SILICONE PRODUCTS Co. LTD. (Dongguan, China).
"Drinking cup" was invented by Feng Liu (Dongguan, China) and Junxuan Fan (Dongguan, China).
The patent was filed on Nov. 22, 2022, under Application No. D/868,185.
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