ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,854, issued on July 1, was assigned to TKR SPEZIALWERKZEUGE GMBH (Gevelsberg, Germany).

"Hand-held pulling and compressing device" was invented by Torsten Kreischer (Wetter, Germany) and Thorsten Weyland (Herdecke, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a hand-held pulling and compressing device for driving interchangeable tools, with a drive unit with a battery operated electric motor, a screw drive with a threaded spindle connected to the electric motor and mounted rotatably on a housing body and a threaded nut mounted rotatably on the threaded spindle and non-rotatably on the housing body via a bearing unit...