Inventor

Hamilton Shane

US3 patents

Patents

3 patents

US9940612B1Apr 10, 2018

Fraud detection in portable payment readers

SQUARE INC16 citations80

US10878418B2Dec 29, 2020

Fraud detection in portable payment readers

SQUARE INC5 citations69

US10803461B2Oct 13, 2020

Fraud detection in portable payment readers

SQUARE INC4 citations69