Outbound noise cancellation for telephonic handset | Patent Number 05406622

US 05406622 NA
Application Number8114851
Publication Number-
Pendency1 year, 7 months, 11 days
Filled DateSep 2, 1993
Priority DateSep 2, 1993
Publication Date-
Expiration DateSep 2, 2013
Inventor/Applicants Roger D. Benning
Norman B. Thompson
Michael H. Silverberg
ExaminesFOURNIER, PAUL
Art Unit2601
Technology Center2600
Assignments
At&t Company
Current
At&t ServicesAt&t Company
Original
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