IP Library › Granted Patent US 6,680,261
Granted Patent Utility
US 6,680,261 · Confirmation No. 2867

METHOD OF REDUCING BORON OUTGASSING AT TRENCH POWER IC'S OXIDATION PROCESS FOR SACRIFICIAL OXIDE LAYER

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2012-03-22 LET. Miscellaneous Incoming Letter 2 View
2012-03-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-12-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-12-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-01-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-01-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-12-19 PET.POA.WDRW Request for withdrawal as attorney or agent 2 View
2008-12-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-12-04 IFEE Issue Fee Payment (PTO-85B) 2 View
2002-04-25 TRNA Transmittal of New Application 2 View
2002-04-25 SPEC Specification 8 View
2002-04-25 CLM Claims 3 View
2002-04-25 ABST Abstract 1 View
2002-04-25 DRW Drawings-only black and white line drawings 1 View
2002-04-25 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,680,261
App. No.
10/133,087
Filed
2002-04-25
Granted
2004-01-20
Pub. No.
US20030054665A1
Art Unit
2813
PTA
-3 days