ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,781, issued on Jan. 27, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).
"Electroportable device" was invented by Olivier Baudrand (Paris), Pascale Grandjean (Guilherand-Granges, France), Frederic Nayrac (Bourg-les-Valence, France) and Christian Ricordi (Bourg-les-Valence, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable electric device comprising a cylinder in which at least one movable piston slides between a start position corresponding to the top of the cylinder and an end position corresponding to the bottom of the cylinder, said piston comprising a mechanism configured to come into contact with an element to be operat...