Inventor

VONWALD KRISTIN L

US3 patents

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

AMERICAN EXPRESS TRAVEL RELATE

1 patent

US7249112B2Jul 24, 2007

System and method for assigning a funding source for a radio frequency identification device

AMERICAN EXPRESS TRAVEL RELATE191 citations97

XATRA FUND MX LLC

1 patent

US7889052B2Feb 15, 2011

Authorizing payment subsequent to RF transactions

XATRA FUND MX LLC32 citations91

BERARDI MICHAEL J

1 patent

US9454752B2Sep 27, 2016

Reload protocol at a transaction processing entity

BERARDI MICHAEL J6 citations69