Telephone with ringer silencer screening feature | Patent Number 06400814

US 06400814 B1
Application Number8982875
Publication Number-
Pendency4 years, 6 months, 5 days
Filled DateDec 2, 1997
Priority DateDec 2, 1997
Publication Date-
Expiration DateDec 2, 2017
Inventor/ApplicantsJoel Adams
ExaminesNGUYEN, DUC MINH
Art Unit2643
Technology Center2600
Assignments
Rpx Clearinghouse
Current
Rpx Corporation
Current
C. Itoh Information Systems Development Inc.
Original
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