US Patent Issued to MILWAUKEE ELECTRIC TOOL on March 3 for "Gas spring-powered fastener driver" (Wisconsin, Oregon Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,925, issued on March 3, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).

"Gas spring-powered fastener driver" was invented by David Bierdeman (New Berlin, Wis.), Andrew R. Wyler (Pewaukee, Wis.) and Nicholas A. Albers (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas spring-powered fastener driver includes an outer cylinder, an inner cylinder positioned within the outer cylinder, and a moveable piston positioned within the inner cylinder. The gas spring-powered fastener driver further includes a driver blade attached to the piston and movable therewith between a top-dead-center (TDC) position and a driven or botto...