ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,755, issued on Dec. 23, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).

"Powered fastener driver" was invented by Jason M. Julius (Waukesha, Wis.), Rosalie C. Phillips (Milwaukee), Mitchell T. Neuhoff (Waukesha, Wis.), Mark C. Hughes (Waukesha, Wis.), Bradley S. Houskamp (Wauwatosa, Wis.), Ivan N. Zozulya (Waukesha, Wis.) and Jacob N. Zimmerman (Pewaukee, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powered fastener driver including a piston movable within an inner cylinder from a top-dead-center (TDC) position to a driven or bottom-dead-center (BDC) position. The piston has a reduced stroke length between the TDC position...