ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,408, issued on Sept. 16, was assigned to RO TECHNOLOGIES LLC (Las Vegas).
"Protective barrier for safety glazing" was invented by Bart E. Wilson (Las Vegas), Stephen S. Wilson (Las Vegas) and Seth Wilson (Las Vegas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protective barrier affixable to a curved substrate comprises a stack of two or more lenses, each of the two or more lenses including a polyethylene terephthalate (PET) film, a hard coat on a first side of the PET film, and an adhesive layer on a second side of the PET film opposite the first side. The stack of two or more lenses may have a modulation transfer function that exhibits a contr...