ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,899, issued on June 3, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).
"Powered fastener driver" was invented by Arik A. Miller (Shorewood, Wis.), Kirat S. Mokha (Milwaukee), Mitchell A. Ellena (West Allis, Wis.), Marcus M. Wechselberger (Milwaukee) and David C. Graf (Greendale, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A powered fastener driver includes a housing, a cylinder within the housing, the cylinder containing a pressurized gas, a piston within the cylinder and movable from a top-dead-center position to a bottom-dead-center position, a driver blade movably coupled to the piston, a lifter, a drive unit configured t...