 RESTON, Va., Feb. 08, 2021 GLOBE NEWSWIRE -- Lightbridge Corporation NASDAQ: LTBR, an advanced nuclear fuel technology company, today announced that it has received a Notice of Allowance from the Korean Intellectual Property Office for a new patent covering a broad scope of innovations: 1 an alternative metallic fuel rod design whereby an axial centerline of the fuel rod is offset from an axial center of mass; 2 a fuel assembly incorporating such fuel rods; 3 a metallic fuel assembly design with metallic fuel rods arranged in a mixed grid pattern; 4 various embodiments of a corner structure attached to the shroud. 