ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,604, issued on June 3.
"Firearm sound suppressor" was invented by Gustav Lo (Petoskey, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A suppressor for a firearm includes a housing, a cylindrical construct, and a structure. The cylindrical construct is disposed within the housing and surrounds a central pathway along a central axis of the suppressor. The cylindrical construct defines a plurality of apertures. The structure is disposed within the housing and surrounds the cylindrical construct. The structure extends along the central axis and includes a plurality of walls. The plurality of walls define a first fluid passage and a second fluid pas...