ALEXANDRIA, Va., Feb. 17 -- United States Patent no. D1,114,421, issued on Feb. 17, was assigned to JIANGSU ERLANGSHEN PLASTIC Co. LTD (Yangzhou, China).
"Cat litter box" was invented by Wei Yu (Jiangsu, China).
The patent was filed on March 11, 2025, under Application No. D/992,824.
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