ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,088,222, issued on Aug. 12, was assigned to WATERPULSE (SHANGHAI) INDUSTRIAL Co. LTD. (China).
"Oral irrigator" was invented by Rong Chen (Suzhou, China).
The patent was filed on Feb. 11, 2022, under Application No. D/826,295.
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