ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,557, issued on April 14, was assigned to Torc Robotics Inc. (Blacksburg, Va.).

"Decoding and validation of machine-readable codes via multiple spectra of light" was invented by Joseph Fox-Rabinovitz (Blacksburg, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of this technical solution can include a first layer having a first region and a second region, the first region and the second region having a first transmissivity property corresponding to a first portion of a spectrum of light and a second portion of the spectrum of light, having the first transmissivity property, and a second layer disposed over the first layer and having a thir...