ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,421, issued on July 21, was assigned to Shenzhen Zheyin Intelligent Technology Co. Ltd. (Zhenzhen, China).
"Transmitter for dog trainer" was invented by Yintong Zhou (Shenzhen, China).
The patent was filed on June 1, 2025, under Application No. D/006,296.
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