ALEXANDRIA, Va., June 12 -- United States Patent no. D1,074,309, issued on May 13, was assigned to OLABABY Inc. (Beaverton, Ore.).
"Drinking cup" was invented by Qiao Lin (Beverly Hills, Calif.) and Paul Wang (Portland, Ore.).
The patent was filed on April 3, 2023, under Application No. D/888,670.
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