ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,859, issued on June 3, was assigned to Baker Hughes Oilfield Operations LLC (Houston).

"Method for mechanically mounting and protecting extended length optical fiber" was invented by Juan Franco (Blacksburg, Va.), Paul Wysocki (Blacksburg, Va.), Navin Sakthivel (Spring, Texas) and Aaron Avagliano (Tomball, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method of embedding an optical fiber within a substrate. The apparatus includes a bonding device and a conveyance device. The bonding device bonds a foil layer to the substrate to seal the optical fiber within a groove of the substrate. The conveyance device moves the substrate a...