ALEXANDRIA, Va., July 7 -- United States Patent no. D1,133,156, issued on July 7, was assigned to Nicefeel Medical Device Technology Co. Ltd. (Shenzhen, China).

"Oral irrigator" was invented by Xiao Liu (Shenzhen, China).

The patent was filed on May 16, 2025, under Application No. D/004,018.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1133156&OS=D1133156&RS=D1133156

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