Systems and methods for employing “pay-as-you-go†telecommunication services | Patent Number 07013127
US 07013127 B2Filled DateJan 7, 2003
Priority DateJan 7, 2003
Publication DateOct 14, 2004
Expiration DateJan 7, 2023
Inventor/ApplicantsHarold S. Wills
David A. Steinberg
Harold S. Wills
David A. Steinberg
David A. Steinberg
Harold S. Wills
David A. Steinberg
ExaminesTIEU, BINH KIEN
Art Unit2643
Technology Center2600
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