ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,834, issued on Dec. 16, was assigned to AIRBUS HELICOPTERS DEUTSCHLAND GMBH (Donauworth, Germany).
"Rope ladder with two braided ropes" was invented by Christoph Heider (Rain Am Lech, Germany), Dominik Vogel (Langweid, Germany), Stefan Salzburger (Augsburg, Germany) and Alexandru Dinca (Donauworth, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rope ladder comprising: a first ladder step connecting element that is mounted to a first braided rope, a second ladder step connecting element that is mounted to a second braided rope, and a ladder step that couples the first ladder step connecting element with the second ladder step connecting ele...