ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,140,395, issued on Aug. 4, was assigned to Shenzhen TIZE Technology Co. ltd (Shenzhen, China).

"Ultrasonic dog training device" was invented by Jian Wen (Shenzhen, China).

The patent was filed on Oct. 13, 2025, under Application No. D/027,759.

*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=D1140395&OS=D1140395&RS=D1140395

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