ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,507, issued on June 24, was assigned to CORNING RESEARCH & DEVELOPMENT Corp. (Corning, N.Y.).

"SZ stranded tight-buffered ribbon stacks with binder film" was invented by Bradley Jerome Blazer (Granite Falls, N.C.), Julian Latelle Greenwood III (Greensboro, N.C.), Warren Welborn McAlpine (Hickory, N.C.) and David Alan Seddon (Hickory, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber cable including a central strength member, a first plurality of tight-buffered ribbon stacks, a binder film, and a cable sheath. The central strength member extends along a longitudinal axis of the optical fiber cable. The tight-buffered ribbon stacks ...