IP Library › Granted Patent US 6,452,418
Granted Patent Utility
US 6,452,418 · Confirmation No. 6440

LEVEL SHIFTER WITH INDEPENDENT GROUNDS AND IMPROVED EME-ISOLATION

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2015-09-25 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2015-09-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-09-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-09-03 PA.. Power of Attorney 2 View
2015-09-03 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2015-09-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-28 TRNA Transmittal of New Application 2 View
2001-06-28 SPEC Specification 4 View
2001-06-28 CLM Claims 6 View
2001-06-28 ABST Abstract 1 View
2001-06-28 DRW Drawings-only black and white line drawings 1 View
2001-06-28 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,452,418
App. No.
09/894,390
Filed
2001-06-28
Granted
2002-09-17
Examiner
LE, DON P
Art Unit
2819
PTA
0 days