ALEXANDRIA, Va., July 14 -- United States Patent no. D1,134,833, issued on July 14, was assigned to Jiangxi Royall Smart Technology Co. Ltd. (Ganzhou, China).
"Water flosser" was invented by Aijun Huang (Ganzhou, China) and Wentao Liu (Shenzhen, China).
The patent was filed on May 19, 2025, under Application No. D/004,325.
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