ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,911, issued on Jan. 13, was assigned to WENZHOU YUANFEI PET TOY PRODUCTS Co. LTD. (Wenzhou, China).
"Connecting buckle end fitting" was invented by Mingyun Zhuang (Wenzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A connecting buckle end fitting includes a connecting body, a sleeve, a pin, and a bushing. The connecting body has a connecting section, an insertion section, and an insertion needle. The connecting section connects with the buckle, the insertion section has a first insertion hole, and the insertion needle has an outer convex ring. The sleeve has a through hole with a second insertion hole and an inner convex ring. The pin pas...