ALEXANDRIA, Va., June 12 -- United States Patent no. D1,074,643, issued on May 13.

"Sleep machine" was invented by Lixuan Wang (Heyuan, China).

The patent was filed on Jan. 17, 2025, under Application No. D/985,791.

*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=D1074643&OS=D1074643&RS=D1074643

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