ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,738, issued on Nov. 25, was assigned to Umarex USA Inc. (Fort Smith, Alaska).
"Valve system for air gun" was invented by Alexander Robert DiBlasio (Jamison, Pa.), Ben Noji (Landenberg, Pa.), Ross James Jutras (Newark, Del.) and Stephen J. Hague (Newark, Del.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve system utilizes a main valve body with a restricted diameter conduit communicating between a propulsion chamber and rear cavity and a smaller venting valve mechanically actuated to open the rear cavity to atmosphere, thereby causing the main valve body to open to pass pressurized air in the propulsion chamber to an orifice to power a project...