IP Library Granted Patent US 6,501,405
Granted Patent Utility
US 6,501,405 · Confirmation No. 8533

METHOD AND APPARATUS FOR DIGITAL TO ANALOG CONVERSION WITH DISTORTION CALIBRATION

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Code Description Pages PDF
2016-04-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-04-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-04-03 PA.. Power of Attorney 1 View
2016-04-03 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2016-04-03 MFEE.C.AD Maintenance Fee Address Change 1 View
2016-04-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2015-05-05 OATH Oath or Declaration filed 93 View
2012-05-30 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2012-02-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-02-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-01-30 PA.. Power of Attorney 1 View
2012-01-30 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-01-30 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2001-06-13 TRNA Transmittal of New Application 3 View
2001-06-13 SPEC Specification 13 View
2001-06-13 CLM Claims 1 View
2001-06-13 ABST Abstract 2 View
2001-06-13 DRW Drawings-only black and white line drawings 6 View
2001-06-13 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,501,405
App. No.
09/881,857
Filed
2001-06-13
Granted
2002-12-31
Art Unit
2819
PTA
-104 days