Inventor

HARTRIDGE ANDREW J

US2 patents

⚠️ This page may combine multiple inventors who share the name “HARTRIDGE ANDREW J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CARDINALCOMMERCE CORP

1 patent

US7606771B2Oct 20, 2009

Dynamic number authentication for credit/debit cards

CARDINALCOMMERCE CORP16 citations87

KERESMAN III MICHAEL A

1 patent

US10296903B2May 21, 2019

Dynamic number authentication for credit/debit cards

KERESMAN III MICHAEL A4 citations67