P
PatentIndex
Search
Landscape
Sign in
Inventor
FREISHEIM JR ROBERT A
US
2 patents
Patents
2 patents
US7979894B2
Jul 12, 2011
Electronic verification service systems and methods
FIRST DATA CORP
21 citations
85
US8055581B2
Nov 8, 2011
Management of financial transactions using debit networks
FIRST DATA CORP
10 citations
78