ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,625, issued on Aug. 12.
"Non-fungible anti-counterfeit photo-chromic nano-micro three-dimensional tags/labels" was invented by Sudhir Reddy Rebala (Chennai, India) and Senthil Kumar Chinnusami (Chennai, India).
According to the abstract* released by the U.S. Patent & Trademark Office: ""Non-fungible anti-counterfeit photo-chromic nano-micro three-dimensional tags/labels are designed in such a manner that duplication and counterfeiting of the labels are prevented. The label comprises of a frame quick response (QR) code part (103), which surrounds a three-dimensional sticker part, which consists of a foundation paper (113) made of cellulose, a non-fungible three-dimensional (3D) st...