Method and system for mediating transactions that use portable smart cards | Patent Number 05521966

US 05521966 NA
Application Number8167596
Publication Number-
Pendency2 years, 5 months, 16 days
Filled DateDec 14, 1993
Priority DateDec 14, 1993
Publication Date-
Expiration DateDec 14, 2013
Inventor/Applicants Albert Friedes
Yao-Chung Tsao
Carlos A. Perea
ExaminesCHAN, JASON
Art Unit2608
Technology Center2600
Assignments
At&t Company
Current
At&t ServicesAt&t Company
Original
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