ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,469, issued on April 15, was assigned to True Velocity IP Holdings Inc. (Garland, Texas).

"Firearm muzzle brake with gas-actuated valve" was invented by Byron S. Petersen (Springfield, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided for firearm muzzle brakes. In one example, a muzzle brake comprises: a body; a projectile entrance and a projectile exit; a gas-actuated valve biased toward the projectile entrance within an interior of the body; and a projectile opening of the gas-actuated valve arranged along a projectile path between the projectile entrance and the projectile exit."

The patent was filed on May 6, 2...