ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,783,832, issued on Nov. 3, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Glass media unique identification and tracking system" was invented by Jason David Adrian (Woodinville, Wash.), Richard Black (Cambridge, Great Britain), Austin Nicholas Donnelly (Cambridge, Great Britain), David Lara Saucedo (London), Serguei Anatolievitch Legtchenko (Cambridge, Great Britain) and Hugh Williams (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transparent substrate that encodes data therein having optically readable identification indicia corresponding to identifying information regarding the substrate. The optically...