ALEXANDRIA, Va., Sept. 17 -- United States Patent no. D1,093,766, issued on Sept. 16, was assigned to UBTECH ROBOTICS CORP LTD (Shenzhen, China).

"Cat litter box" was invented by Mingming Ji (Shenzhen, China), Xinshui Huang (Shenzhen, China) and Yudong Liu (Shenzhen, China).

The patent was filed on April 18, 2024, under Application No. D/938,202.

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