ALEXANDRIA, Va., Nov. 11 -- United States Patent no. D1,101,972, issued on Nov. 11, was assigned to BESMETA (NINGBO) INTERNATIONAL TRADE Co. LTD. (Zhejiang, China).

"Connecting sleeve for extension ladder" was invented by Jing Wang (Zhejiang, China).

The patent was filed on May 24, 2023, under Application No. D/892,953.

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