IP Library › Granted Patent US 6,424,570
Granted Patent Utility
US 6,424,570 · Confirmation No. 1744

MODULATED CHARGE PUMP WHICH USES AN ANALOG TO DIGITAL CONVERTER TO COMPENSATE FOR SUPPLY VOLTAGE VARIATIONS

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 Code Description Pages PDF
2013-05-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-05-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-04-04 PA.. Power of Attorney 1 View
2013-04-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2013-04-04 LET. Miscellaneous Incoming Letter 1 View
2013-04-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-04-04 TRAN.LET Transmittal Letter 1 View
2009-08-18 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-06-26 TRNA Transmittal of New Application 3 View
2001-06-26 SPEC Specification 18 View
2001-06-26 CLM Claims 4 View
2001-06-26 ABST Abstract 1 View
2001-06-26 DRW Drawings-only black and white line drawings 6 View
2001-06-26 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,424,570
App. No.
09/892,189
Filed
2001-06-26
Granted
2002-07-23
Art Unit
2824
PTA
-4 days