ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,655, issued on Feb. 3, was assigned to Rope Camp Co. Ltd. (Busan, South Korea).
"Shackle" was invented by Chang Bin Yoon (Busan, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a shackle, which includes: a shackle body formed in a bar shape bent so that opposite ends are adjacent to each other and face the same direction as each other, wherein the shackle body passes through a through hole formed in a loop at an end of a linear wire body; fastening rings provided at opposite ends of the shackle body, respectively, and having a penetration hole formed therein, wherein at least one of the fastening rings is det...