US Patent Issued to DE LA RUE INTERNATIONAL on Aug. 4 for "Optical devices and methods of manufacture thereof" (British Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,833, issued on Aug. 4, was assigned to DE LA RUE INTERNATIONAL Ltd. (Basingstoke, Great Britain).

"Optical devices and methods of manufacture thereof" was invented by Brian Holmes (Basingstoke, Great Britain), Frederic Fournier (Basingstoke, Great Britain) and Maria King (Basingstoke, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes: first grating regions each having a plurality of first grating elements each having a principal component of orientation substantially orthogonal to a first direction; and second grating regions each including a plurality of second grating elements each having a principal component ...