ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,894, issued on Feb. 10, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).

"Pneumatic fastener driver" was invented by Andrew J. Weber (Cudahy, Wis.), James M. Wentzloff (West Bend, Wis.), Nicholas A. Albers (Pewaukee, Wis.), Bradley S. Helm (Milwaukee) and Troy C. Thorson (Cedarburg, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool including a housing that has a handle portion and a trigger mechanism mounted on the handle portion. The trigger mechanism includes a first trigger for initiating an operation and a second trigger, each of the first and second triggers being movable between a first position and a second pos...