ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,174, issued on Jan. 27, was assigned to H2 Clipper Inc. (Santa Barbara, Calif.).

"Method and apparatus for lighter-than-air airship with improved structure and delivery system" was invented by Rinaldo S. Brutoco (Santa Barbara, Calif.), Robert H. Shelton (Santa Barbara, Calif.) and Shawn Merritt (Redondo Beach, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lighter-than-air airship has an exoskeleton constructed of spokes and hubs to create a set of connected hexagrams comprised of isosceles triangles wherein the spokes flex and vary in length to produce the slope of said airship's surface. In one embodiment, the exoskeleton connects to a n...