ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,765, issued on July 28.

"Hot air balloon oil lamp" was invented by Linqing Yang (Taizhou, China).

The patent was filed on Aug. 25, 2025, under Application No. D/019,714.

*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=D1137765&OS=D1137765&RS=D1137765

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