ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,511, issued on March 31, was assigned to Good Sportsman Marketing LLC (Irving, Texas).

"Folding knife with replaceable blade" was invented by Dillon Douglas (Henderson, Nev.), Thomas Rucci (Henderson, Nev.) and Howard Unger (Henderson, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A folding knife with replaceable blade is movable between an extended state, a hyperextended state, and a folded state. A blade mounted to a holding assembly is replaceable when the folding knife is in the hyperextended state. The blade comprises a catch that requires a particular alignment, provided by the hyperextended state, to be inserted and removed. In this ma...