ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,949, issued on May 20, was assigned to WHG PROPERTIES LLC (North Wales, Pa.).
"Firearm assemblies with multiple gas ports" was invented by William H. Geissele (North Wales, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly for directing propellant gas to an action of a firearm includes a barrel and a gas block. The barrel has a plurality of gas ports that communicate with the bore of the barrel. The barrel and the gas block define a passage that receives pressurized propellant gas from the bore by way of the barrel gas ports, and directs the propellant gas to a gas port of the gas block. The plurality of barrel gas ports and the passage...