ALEXANDRIA, Va., March 19 -- United States Patent no. D1,067,552, issued on March 18.
"Cat litter box" was invented by Shuwei Pan (Anhui, China), Yuanbin Wen (Sichuan, China) and Yuan Yao (Anhui, China).
The patent was filed on June 27, 2024, under Application No. D/949,666.
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