ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,739, issued on March 24, was assigned to Hilti AG (Schaan, Liechtenstein).

"Target and plumbing system for transferring a point of interest to a jobsite surface" was invented by Jafet German Sanchez Ruelas (Altstaetten, Switzerland), Marco Kerschbaumer (Woringen, Germany) and Thomas Roller (Dornstetten, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A target and plumbing system includes a reflective target which has a reflective surface, a self-leveling plumb line laser pointer which emits a plumb line laser beam having a pathway that is in a vertical direction where the vertical direction is substantially parallel to a gravitational direct...