P
PatentIndex
Search
Landscape
Sign in
Inventor
SYLVESTER DAVID
GB
2 patents
Patents
2 patents
US9787476B2
Oct 10, 2017
Image verification by an electronic device
MASTERCARD INTERNATIONAL INC
0 citations
44
US9531549B2
Dec 27, 2016
Image verification by an electronic device
MASTERCARD INTERNATIONAL INC
0 citations
44