ALEXANDRIA, Va., Feb. 17 -- United States Patent no. D1,114,332, issued on Feb. 17, was assigned to Betty Yu Skin Technology Advisors LLC (Los Altos, Calif.).
"Roller applicator" was invented by Betty Yu (Los Altos, Calif.) and John D. Doux (Los Altos, Calif.).
The patent was filed on Jan. 10, 2024, under Application No. D/793,672.
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