ALEXANDRIA, Va., March 3 -- United States Patent no. D1,115,395, issued on March 3.

"Mattress" was invented by Kai Feng Cheng (Taichung, Taiwan) and Tien-Kuei Cheng (Taichung, Taiwan).

The patent was filed on Feb. 15, 2023, under Application No. D/884,685.

*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=D1115395&OS=D1115395&RS=D1115395

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