James Douglas Evans

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Livermore, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Payment processing device signature verification
- Patent number 8,751,400
- Issue date Jun 10, 2014
- Visa U.S.A. Inc.
- James Douglas Evans
- G07 - CHECKING-DEVICES
Information Patent Grant
Biometric access control transactions
- Patent number 8,694,793
- Issue date Apr 8, 2014
- Visa U.S.A. Inc.
- James Douglas Evans
- G07 - CHECKING-DEVICES
Information Patent Grant
Payment processing device signature verification
- Patent number 8,429,078
- Issue date Apr 23, 2013
- Visa U.S.A. Inc.
- James Douglas Evans
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
PAYMENT PROCESSING DEVICE SIGNATURE VERIFICATION
- Publication number 20130246271
- Publication date Sep 19, 2013
- James Douglas Evans
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PAYMENT PROCESSING DEVICE SIGNATURE VERIFICATION
- Publication number 20100063922
- Publication date Mar 11, 2010
- James Douglas Evans
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Biometric authorization transaction
- Publication number 20090145972
- Publication date Jun 11, 2009
- James Douglas Evans
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Biometric access control transactions
- Publication number 20090150994
- Publication date Jun 11, 2009
- James Douglas Evans
- G06 - COMPUTING CALCULATING COUNTING