ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,146,678, issued on Sept. 8.

"Carbon monoxide detector" was invented by Youjun Deng (Yueyang City, China).

The patent was filed on July 11, 2025, under Application No. D/012,684.

*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=D1146678&OS=D1146678&RS=D1146678

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