ALEXANDRIA, Va., June 6 -- United States Patent no. D1,072,184, issued on April 22, was assigned to Shenzhen Libro Technology Co. Ltd. (Shenzhen, China).
"Pet fountain filter" was invented by Tianyu Xiao (Shenzhen, China).
The patent was filed on April 15, 2024, under Application No. D/937,336.
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