US Patent Issued to Bank of Canada, The Governing Council of the University of Toronto on Dec. 30 for "Optical devices comprising microlenses and laser-fabricated patterns or structures, their manufacture and use" (Canadian, American Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,695, issued on Dec. 30, was assigned to Bank of Canada (Ottawa) and The Governing Council of the University of Toronto (Toronto).

"Optical devices comprising microlenses and laser-fabricated patterns or structures, their manufacture and use" was invented by Charles Douglas Macpherson (Santa Barbara, Calif.), Badr Omrane (Ottawa), Sean Magnus Malmberg (Ottawa), Peter Herman (Toronto), Stephen Paulchi Ho (Richmond Hill, Canada) and Ehsan Alimohammadian (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are optical devices suitable as security devices for document authentication, which comprise at least one array of patterns such as lase...