Steven John Pringle

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Oakland, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Internet payment system using smart card
- Patent number 6,282,522
- Issue date Aug 28, 2001
- Visa International Service Association
- Virgil M. Davis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Internet loading system using smart card
- Patent number 6,105,008
- Issue date Aug 15, 2000
- Visa International Service Association
- Virgil M. Davis
- G06 - COMPUTING CALCULATING COUNTING