Non-Fungible Anti-Counterfeit Photo-Chromic Nano-Micro Three-Dimensional Tags/Labels

US 12,387,625 B2

Non-Fungible Anti-Counterfeit Photo-Chromic Nano-Micro Three-Dimensional Tags/Labels

Grant Date: August 12, 2025

Type / Field: Utility | Materials & Security Technology

Inventor: S. R. Rebala; S. K. Chinnusami

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