ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,282, issued on June 17, was assigned to Hubbell Inc. (Shelton, Conn.).
"Force adjusting power tool with interchangeable head" was invented by John David Lefavour (Litchfield, N.H.) and Daniel Paul Owens (Brookline, N.H.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Portable, hand held, battery operated, hydraulic tools are provided with a tool frame and one or more interchangeable working heads. When the working head is connected with the tool frame, a piston actuated by a hydraulic system within the tool frame applies force to the working head to perform a task. The tool includes a sensor for detecting the type of head connected with the tool and ...