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Alfred Chan
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Daly City, CA, US
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last 30 patents
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Patent Grant
System and method for a multi-application smart card which can faci...
Patent number
6,233,683
Issue date
May 15, 2001
Visa International Service Association
Alfred Chan
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
System and method for a multi-application smart card which can faci...
Patent number
6,005,942
Issue date
Dec 21, 1999
Visa International Service Association
Alfred Chan
G06 - COMPUTING CALCULATING COUNTING