IP Library Granted Patent US 6,639,256
Granted Patent Utility
US 6,639,256 · Confirmation No. 4785

METHOD AND STRUCTURE FOR ELIMINATING COLLECTOR-BASE BAND GAP DISCONTINUITY IN AN HBT

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Code Description Pages PDF
2016-05-18 N572 Response - Re: Informal Power of Attorney (PTOL-308) 1 View
2016-05-04 C.AD Change of Address 1 View
2016-05-04 PA.. Power of Attorney 1 View
2016-05-04 MFEE.C.AD Maintenance Fee Address Change 1 View
2016-05-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-03-27 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2002-02-04 TRNA Transmittal of New Application 3 View
2002-02-04 SPEC Specification 19 View
2002-02-04 CLM Claims 4 View
2002-02-04 ABST Abstract 1 View
2002-02-04 DRW Drawings-only black and white line drawings 5 View
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Quick Facts
Patent No.
US 6,639,256
App. No.
10/066,872
Filed
2002-02-04
Granted
2003-10-28
Pub. No.
US20030146449A1
Art Unit
2813
PTA
-5 days