ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,481, issued on April 14, was assigned to GUANGDONG WIREKING HOUSEHOLD PRODUCTS Co. LTD (Foshan, China).
"Foldable ladder" was invented by Huosheng Pan (Foshan, China) and Jiantao Zhou (Foshan, China).
The patent was filed on Jan. 8, 2025, under Application No. D/982,792.
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