ALEXANDRIA, Va., June 17 -- United States Patent no. D1,076,699, issued on May 27.

"Gas alarm" was invented by Aiqun Duan (Guangdong, China).

The patent was filed on Jan. 16, 2025, under Application No. D/985,348.

*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=D1076699&OS=D1076699&RS=D1076699

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