ALEXANDRIA, Va., July 15 -- United States Patent no. D1,131,952, issued on June 23, was assigned to Shenzhen TIZE Technology Co ltd (Shenzhen, China).
"Ultrasonic dog trainer" was invented by Jian Wen (Shenzhen, China) and Shiwang Xian (Shenzhen, China).
The patent was filed on May 28, 2025, under Application No. D/005,633.
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