ALEXANDRIA, Va., July 7 -- United States Patent no. D1,133,329, issued on July 7, was assigned to Shenzhen TIZE Technology Co. ltd (Shenzhen, China).
"Ultrasonic dog training device" was invented by Jian Wen (Shenzhen, China) and Wutao Cai (Shenzhen, China).
The patent was filed on June 16, 2025, under Application No. D/008,376.
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