ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,483, issued on Aug. 4, was assigned to Wende Cai (Shantou, China).

"Balloon pump" was invented by Wende Cai (Shantou, China).

The patent was filed on Sept. 2, 2025, under Application No. D/020,966.

*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=D1139483&OS=D1139483&RS=D1139483

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