ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,136, issued on Nov. 18, was assigned to Rough Rider Suppressors LLC (Hawley, Minn.).

"Firearm suppressor with progressive rotation baffle arrangement" was invented by Russ Oliver (Draper, Utah), Austin Peterson (Hawley, Minn.) and Bryce Oakes (Fosston, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A firearm suppressor includes a first section along an axis; a second section along the axis downstream of the first section, the second section having a second section twist rate; a third section along the axis downstream of the second section, the third section having a third section twist rate, the third section twist rate greater than the second...