ALEXANDRIA, Va., Oct. 8 -- United States Patent no. D1,097,383, issued on Oct. 7.

"Ultrasonic barking restraining device" was invented by Hui Liu (Guangdong, China).

The patent was filed on Aug. 23, 2024, under Application No. D/959,060.

*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=D1097383&OS=D1097383&RS=D1097383

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