Arrangement for suppressing echoes in a digital portable telephone | Patent Number 05381475

US 05381475 NA
Application Number8160140
Publication Number-
Pendency1 year, 1 month, 9 days
Filled DateDec 2, 1993
Priority DateDec 2, 1993
Publication Date-
Expiration DateDec 2, 2013
Inventor/Applicants Mark C. Cavallo
ExaminesSAINT SURIN, JACQUES M
Art Unit2601
Technology Center2600
Assignments
At&t Company
Current
At&t ServicesAt&t Company
Original
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