ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,252, issued on Sept. 23, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Hoistway survey tool and method of surveying a hoistway" was invented by Antonio Martins (Vernon, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tool for surveying a multi-level elevator hoistway in preparation for installing hoistway rails, the tool having: a platform supporting a spatial range sensor that has an electronic controller, the controller receives instructions over a wireless network to measure a first distance between the platform and a first proximate wall, and stores transmits first data representing the first distance; the platform extends from...