IP Library › Granted Patent US 6,687,672
Granted Patent Utility
US 6,687,672 · Confirmation No. 2951

METHODS AND APPARATUS FOR BLIND CHANNEL ESTIMATION BASED UPON SPEECH CORRELATION STRUCTURE

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2019-04-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-04-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-04-25 PA.. Power of Attorney 8 View
2019-04-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2019-04-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-12-04 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-11 LET. Miscellaneous Incoming Letter 1 View
2002-03-15 TRNA Transmittal of New Application 2 View
2002-03-15 SPEC Specification 18 View
2002-03-15 CLM Claims 12 View
2002-03-15 ABST Abstract 1 View
2002-03-15 DRW Drawings-only black and white line drawings 4 View
2002-03-15 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,687,672
App. No.
10/099,428
Filed
2002-03-15
Granted
2004-02-03
Pub. No.
US20030177003A1
Art Unit
2654
PTA
0 days