IP Library › Granted Patent US 6,458,640
Granted Patent Utility
US 6,458,640 · Confirmation No. 1615

GAAS MESFET HAVING LDD AND NON-UNIFORM P-WELL DOPING PROFILES

Inventor: Weiqi Li
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2017-06-12 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2017-05-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-05-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-05-16 SES.LOSS Notification of loss of entitlement to small entity status 1 View
2017-05-16 PA.. Power of Attorney 1 View
2017-05-16 R3.73 Assignee showing of ownership per 37 CFR 3.73 14 View
2017-05-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-05-18 OATH Oath or Declaration filed 27 View
2016-03-16 OATH Oath or Declaration filed 17 View
2016-03-02 OATH Oath or Declaration filed 16 View
2016-03-01 OATH Oath or Declaration filed 22 View
2016-03-01 OATH Oath or Declaration filed 16 View
2009-04-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-07 PA.. Power of Attorney 1 View
2009-04-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-04-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-04 TRNA Transmittal of New Application 2 View
2001-06-04 SPEC Specification 6 View
2001-06-04 CLM Claims 3 View
2001-06-04 ABST Abstract 1 View
2001-06-04 DRW Drawings-only black and white line drawings 3 View
2001-06-04 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,458,640
App. No.
09/871,740
Filed
2001-06-04
Granted
2002-10-01
Art Unit
2825
PTA
0 days