ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,636, issued on July 28, was assigned to Fly Cat Electrical Co. Ltd. (Shenzhen, China).
"Oral irrigator" was invented by Xiao Liu (Shenzhen, China) and Jiaxiu Huang (Shenzhen, China).
The patent was filed on Dec. 29, 2025, under Application No. D/040,127.
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