Method and apparatus for conducting electronic commerce transactions using electronic tokens | Patent Number 07177838
US 07177838 B1Filled DateApr 21, 2000
Priority DateJan 26, 2000
Publication Date-
Expiration DateJan 26, 2020
Inventor/ApplicantsMarvin T Ling
ExaminesPOINVIL, FRANTZY
Art Unit3628
Technology Center3600
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