IP Library Granted Patent US 6,820,054
Granted Patent Utility
US 6,820,054 · Confirmation No. 1899

AUDIO SIGNAL PROCESSING FOR SPEECH COMMUNICATION

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Code Description Pages PDF
2004-07-22 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-05-07 TRNA Transmittal of New Application 2 View
2001-05-07 SPEC Specification 15 View
2001-05-07 CLM Claims 7 View
2001-05-07 ABST Abstract 1 View
2001-05-07 DRW Drawings-only black and white line drawings 6 View
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Quick Facts
Patent No.
US 6,820,054
App. No.
09/851,399
Filed
2001-05-07
Granted
2004-11-16
Pub. No.
US20030023433A1
Art Unit
2655
PTA
0 days