ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,112,829, issued on Feb. 10, was assigned to GUANGDONG WIREKING HOUSEHOLD PRODUCTS Co. LTD (Foshan, China).
"Ladder latch" was invented by Yimin Chen (Guangdong, China) and Huosheng Pan (Guangdong, China).
The patent was filed on July 22, 2024, under Application No. D/953,312.
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