ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,236, issued on June 23, was assigned to Magpul Industries Corp. (Austin, Texas).

"Foldable firearm" was invented by Nicholas Kielsmeier (Denver), Brian L. Nakayama (Arvada, Colo.), Jeremy M. Fiester (Lafayette, Colo.) and Michael T. Mayberry (Denver).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure describes a foldable firearm that collapses into a folded state under spring pressure. The foldable firearm may include a foldable grip assembly. The foldable grip assembly may include a foldable pistol grip, a foldable trigger assembly, a folding bar, and a foldable hand stop. The foldable grip assembly may fold into the top shell of ...