US Patent Issued to COOPERVISION INTERNATIONAL on April 21 for "Contact lenses and methods relating thereto" (American, British Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,875, issued on April 21, was assigned to COOPERVISION INTERNATIONAL Ltd. (Fareham, Great Britain).

"Contact lenses and methods relating thereto" was invented by Arthur Bradley (Bloomington, Ind.), Martin Webber (Southampton, Great Britain), Paul Chamberlain (Livermore, Calif.), Baskar Arumugam (Dublin, Calif.) and David S. Hammond (Pleasanton, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A contact lens (201) includes an optic zone (202) that is centred on an optical axis (219), and a peripheral zone (204) surrounds the optic zone (202). A cross-sectional slice through the optic zone (202) along a meridian comprises a series of successive a...