ALEXANDRIA, Va., Aug. 25 -- United States Patent no. D1,144,854, issued on Aug. 25, was assigned to Colgate-Palmolive Co. (New York).
"Oral irrigator nozzle" was invented by Tonny He (Yangzhou, China), Jiang Zhou (Yangzhou, China) and Jinhong Yuan (Yangzhou, China).
The patent was filed on Sept. 10, 2021, under Application No. D/807,342.
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