ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,615, issued on March 18, was assigned to Royal Caribbean Cruises Ltd. (Miami).
"Deployable slackline" was invented by Nicholas Weir (Davie, Fla.), Steven Michelman (Las Vegas), Zachary Cook (Las Vegas) and Joseph William Champelli (Louisville, Ky.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Deployable slackline systems are disclosed which can support a slackline at a desired height and nominal tension. The disclosed systems may maintain one or more slacklines and can adjust height and tension of individual slacklines while the slacklines are in use. The disclosed slackline systems are stowable; tensioning and termination assemblies of the slackl...