Method for providing call waiting service | Patent Number 05513251

US 05513251 NA
Application Number8176003
Publication Number-
Pendency2 years, 4 months, 2 days
Filled DateDec 30, 1993
Priority DateDec 30, 1993
Publication Date-
Expiration DateDec 30, 2013
Inventor/Applicants Mark M. Rochkind
Lee B. Strahs
ExaminesCHAN, JASON
Art Unit2608
Technology Center2600
Assignments
At&t Company
Current
At&t ServicesAt&t Company
Original
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