ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,869, issued on Aug. 4.

"Chain seedling heat mat" was invented by Zhuo Rao (Dongguan City, China).

The patent was filed on May 25, 2023, under Application No. D/893,147.

*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=D1139869&OS=D1139869&RS=D1139869

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