Inventor

WALLACE ELISABETH

CH4 patents

Patents

4 patents

US12355894B2Jul 8, 2025

Digital file anti-forgery protection

SICPA HOLDING SA1 citations59

US11875589B2Jan 16, 2024

Article dual material-digital anti-forgery protection

SICPA HOLDING SA1 citations58

US12219067B2Feb 4, 2025

Digital file anti-forgery protection

SICPA HOLDING SA0 citations47

US11854019B2Dec 26, 2023

Article anti-forgery protection

SICPA HOLDING SA0 citations47