IP Library › Granted Patent US 6,590,420
Granted Patent Utility
US 6,590,420 · Confirmation No. 3582

LEVEL SHIFTING CIRCUIT AND METHOD

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2011-09-09 C.AD Change of Address 2 View
2011-09-09 PA.. Power of Attorney 2 View
2011-09-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-09-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2011-09-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-09-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-08-24 C.AD Change of Address 2 View
2011-08-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2011-08-24 PA.. Power of Attorney 2 View
2011-08-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-12-20 TRNA Transmittal of New Application 5 View
2001-12-20 ADS Application Data Sheet 1 View
2001-12-20 SPEC Specification 23 View
2001-12-20 CLM Claims 6 View
2001-12-20 ABST Abstract 1 View
2001-12-20 DRW Drawings-only black and white line drawings 6 View
2001-12-20 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,590,420
App. No.
10/029,370
Filed
2001-12-20
Granted
2003-07-08
Examiner
LE, DON P
Art Unit
2819
PTA
-43 days