Inventor

CRAVEN CHARLIE

GB4 patents

Patents

4 patents

US10304044B2May 28, 2019

Multi-factor mobile user authentication

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC6 citations79

US9681305B2Jun 13, 2017

System and method for multi-factor mobile user authentication

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC15 citations79

US11392921B2Jul 19, 2022

Authenticating based on a device identifier

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations57

US10706404B2Jul 7, 2020

Authenticating based on a hardware identifier

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC0 citations47