IP Library › Granted Patent US 6,703,638
Granted Patent Utility
US 6,703,638 · Confirmation No. 6273

ENHANCEMENT AND DEPLETION-MODE PHEMT DEVICE HAVING TWO INGAP ETCH-STOP LAYERS

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 Code Description Pages PDF
2014-10-09 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2009-08-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-08-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-03-09 PA.. Power of Attorney 4 View
2009-03-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-02-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-16 PA.. Power of Attorney 2 View
2009-02-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-01-12 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-05-21 TRNA Transmittal of New Application 2 View
2001-05-21 SPEC Specification 19 View
2001-05-21 CLM Claims 10 View
2001-05-21 ABST Abstract 1 View
2001-05-21 DRW Drawings-only black and white line drawings 5 View
2001-05-21 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,703,638
App. No.
09/861,037
Filed
2001-05-21
Granted
2004-03-09
Pub. No.
US20020171076A1
Art Unit
2822
PTA
-151 days