ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,598, issued on April 14, was assigned to INVENTIO AG (Hergiswil, Switzerland).

"Elevator system having a laser distance measuring device" was invented by Domenico De Piano (Kriens, Switzerland), Faruk Osmanbasic (Sins, Switzerland), Titus Bucher (Lucerne, Switzerland) and Michael Thalmann (Kriens, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator system includes an elevator car and a laser distance measuring device. The elevator car is moved along a travel path that is delimited at the top by an upper boundary and at the bottom by a lower boundary. The laser distance measuring device emits a laser beam and determines a distance...