ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,972, issued on March 31, was assigned to INVENTIO AG (Hergiswil, Switzerland).
"Method for controlling an elevator installation by using a computer-controlled mobile device" was invented by Andreas Weier (Alpnach Dorf, Switzerland), David Zumsteg (Buochs, Switzerland), Reto Duss (Ebikon, Switzerland), Roman Ott (Goldau, Switzerland) and Steve Ineichen (Buchrain, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling an elevator installation uses a computer-controlled mobile device. The elevator installation includes an elevator shaft having a plurality of shaft thresholds each assigned to one floor, an elevator car havi...