ALEXANDRIA, Va., June 25 -- United States Patent no. D1,080,308, issued on June 24, was assigned to HANGZHOU BOSIJIE TECHNOLOGY Co. LTD. (Zhejiang, China).
"Universal tumbler" was invented by Xinjie Dai (Hangzhou, China).
The patent was filed on March 1, 2025, under Application No. D/991,596.
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