ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,433, issued on July 8, was assigned to Kone Corp. (Helsinki).

"Method for constructing an elevator, guide rail installation apparatus, guide rail installation arrangement and method for installing a guide rail of an elevator" was invented by Markku Haapaniemi (Helsinki), Matti Rasanen (Helsinki), Jari Ryhanen (Helsinki), Jaakko Kahila (Helsinki), Aki Haikonen (Helsinki), Jorma Mustalahti (Helsinki), Anssi Venho (Helsinki), Otto Lanz (Helsinki) and Janne Laine (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for constructing an elevator including installing an elevator car, a counterweight, guide rail lines, a...