ALEXANDRIA, Va., Oct. 8 -- United States Patent no. D1,097,380, issued on Oct. 7.
"Bark training collar device" was invented by Zhangli Lan (Shenzhen, China), Yukun Yang (Shenzhen, China), Jian Li (Shenzhen, China) and Sheng Lan (Shenzhen, China).
The patent was filed on Aug. 15, 2023, under Application No. D/899,888.
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