ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,150,721, issued on Sept. 29, was assigned to Hefei Jiqu Network Technology Co. Ltd. (Hefei, China).

"Smart cat litter box" was invented by Nan Jiang (Hefei, China), Chunhui Chang (Hefei, China) and Ying Zhang (Hefei, China).

The patent was filed on July 25, 2025, under Application No. D/015,025.

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