US Patent Issued to OPTRICAL on Oct. 28 for "Tamper-evident device with optically transparent layer and related method" (British Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,394, issued on Oct. 28, was assigned to OPTRICAL Ltd. (Yorkshire, Great Britain).

"Tamper-evident device with optically transparent layer and related method" was invented by Navin Suyal (Yorkshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tamper-evident security device including a first part comprising an optically transparent layer including an array of separate optical focusing elements. A second part comprises an array of separate image elements collectively defining an image viewable through the first part. Each of the optical focusing elements is positioned to reveal therethrough a view of one or more of said image element...