ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,557, issued on May 5, was assigned to Blue Origin Manufacturing LLC (Huntsville, Ala.).

"System for receiving a descending rocket on a semisubmersible vessel using a suspended cable" was invented by Emmanuel John Grillos II (Kent, Wash.) and Richard Donovan Jones (East Wenatchee, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for receiving a descending rocket, which may be at sea. The rocket may descend vertically with the nose higher than the nozzle. The rocket body may be angled as it descends. A boom arm with hooks may extend at an angle to the rocket body to engage a cable suspended by a semisubmersible platform at sea. T...