US Patent Issued to Huagui Quan on Aug. 25 for "Food warming mat" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. D1,143,776, issued on Aug. 25, was assigned to Huagui Quan (Hengyang City, China).

"Food warming mat" was invented by Diqing Cao (Hengyang City, China).

The patent was filed on Sept. 30, 2025, under Application No. D/025,963.

*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=D1143776&OS=D1143776&RS=D1143776

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