ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,120, issued on Oct. 20.

"Combined electric toothbrush head" was invented by Tianyi Huang (Shenzhen, China), Wenbao Chu (Shenzhen, China) and Ziqiao Yan (Shenzhen, China).

The patent was filed on Nov. 8, 2024, under Application No. D/972,171.

*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=D1154120&OS=D1154120&RS=D1154120

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